63 results about "Fuel tank" patented technology

A misfueling prevention device is adapted to prevent an undesired fuel nozzle from being used to fill a desired fuel tank and to permit the filling of the tank by a desired fuel nozzle having a diameter larger than a diameter of the undesired fuel nozzle. The device includes an outer filler tube having an inner diameter and an inner filler tube having inner and outer diameters. The inner diameter of the inner filler tube defines a fuel passageway. The inner diameter of the outer filler tube and the outer diameter of the inner filler tube define a space therebetween. The device also includes at least one support which supports the inner filler tube within the outer filler tube. The inner diameter of the outer filler tube and the inner and outer diameters of the inner filler tube are sized to allow the desired fuel nozzle to fit over the inner filler tube and to prevent the undesired fuel nozzle from entering either the fuel passageway or the space between the inner and outer filler tubes to prevent the tank from being filled with the undesired fuel.

Disclosed is a valve being attached to a fuel tank, the valve permitting a vaporized fuel to flow out and inhibiting a liquid fuel from flowing out. The valve includes a cover and a case. For example, the cover is bonded to an upper portion of a fuel tank, is independent of the fuel tank, and includes a connecting surface to be connected to the fuel tank and a flow-out passage in which a vaporized fuel flows out. The connecting surface has a connector portion formed of a resin exhibiting a good bondability to the fuel tank. The case is screwed to the cover, and includes an evaporator opening and a floating valve. The evaporator opening communicates with the flow-out passage. The floating valve opens or closes the evaporator opening.

An oil/water separator tank having intake, discharge and vent fittings is conditioned for in-situ cleaning of the oil separator plate stacks positioned therein by selective opening of manual valves connected to each of such fittings. When so conditioned by opening of the manual valves, the in-situ cleaning is performed during repeated operational phases under automated control of solenoid operated and motor driven valves through which a plurality of sequential operational steps are performed, consisting of (a) low pressure air injected into an air sparging array within the separator tank, (b) supply of potable water into a mixing tank; (c) mixing of the potable water with the cleaning agent within the mixing tank; (d) introduction of the cleaning agent after the mixing thereof into the separator tank to enhance in-situ cleaning by dispersing the low pressure air from the air sparging array; and (e) drainage of collected waste oil from the separator tank into a waste oil tank.

The automatic oil level balancing and compensating device for refrigerating compressor includes one replenishing oil box with a connected gas pipe, the first solenoid valve and one exhaust valve; and one replenishing oil pipe and one second solenoid valve connected via a connecting oil pipe to the bottom of the crankshaft box in the compressor. The gas pipe has the outer end connected to the upper part of crankshaft box in the compressor and located over the oil level line of the crankshaft box, and the inner end in the lower part of replenishing oil box and with height determining the absolute height of the oil level inside the crankshaft box. Two solenoid valves are controlled by the controller for simultaneous opening or closing. The present invention can balance and compensate the oil level inside the crankshaft box of compressor automatically, and is suitable for single compressor or united compressors.

An Explosion Proof Vehicle (EPV) having an interior substantially filled with an inert fluid creating an interior pressure greater than the exterior pressure. One or more flexible tubes provide the inert fluid and one or more electrical conductors from a control system to the vehicle. The vehicle is preferably used in subsurface tank inspection, whereby the vehicle is submerged in a volatile fluid.

The invention relates to the field of devices or methods for measuring force, torque and pressure, in particular to a method for detecting leakage flow of an automobile oil tank cover. The method for detecting leakage flow of an automobile oil tank cover comprises the following steps: a. preparing testing instruments; b. detecting torque; c. detecting negative flow; d. detecting leakage sum; and e. detecting positive flow. The method for detecting leakage flow of an automobile oil tank cover is characterized by carrying out Step a of preparing the testing instruments according to following steps, wherein the testing instrument comprises a bracket (1), a bottom plate telescopic air cylinder (2), a piston (21), a sealing ring (22), a bottom plate (3), a rotary round disk (4), a division rotator (41), a base (5), a tightening torque claw (6), a bracket telescopic air cylinder (7) and a rotary air cylinder (8). According to the method, the automatic degree is high, the stability is good, and the detection precision is high.

A car body structure comprises the following units: a crossbeam with a hat section jointed with the top surface of a base plate, and the crossbeam is jointed with the inner side wall of a side beam in the car width direction; a seat mount rack matched with the side beam inner side wall on the end portion of the crossbeam so as to form a box unit; a reinforcing member configured below the crossbeam and extending on the upper wall of the crossbeam; a joint portion formed by clamping the crossbeam so as to connect the seat mount rack with the reinforcing member. The top of the reinforcing member outer side is formed to leave a regulated distance from the side beam inner wall to the car inner side under the seat mount rack; Accordingly, it is possible to prevent the fuel tank from being damaged under the floor and to prevent the damage prevention structure without reducing the indoor space of the vehicle even if the cross member is deformed downward to V-shaped or the like due to the collision load of the vehicle side impact.

A construction vehicle includes vehicle frames, an operator cab, a hydraulic oil tank, and engine, and an engine cover. The operator cab is mounted on the vehicle frames. The hydraulic oil tank is disposed to the rear of the operator cab and stores hydraulic oil. The engine is disposed to the rear of the hydraulic oil tank. The engine cover is a member that covers the engine. A rear face of the hydraulic oil tank and a front face of the engine cover are the same size in a widthwise direction. A rear end of an upper face of the hydraulic oil tank is positioned at the same height as a front end of the upper face of the engine cover. The upper face and side faces of the hydraulic oil tank are exposed to outside.

A loading implement is provided with a hydraulic arrangement for the spring support of a boom. The hydraulic arrangement is provided with at least one hydraulic conveying device, a hydraulic fluid tank, a first hydraulic cylinder and a control implement for the lifting and lowering of the boom, as well as a controllable pressure limiting arrangement that is arranged and configured in such a way that excursion movements of the first hydraulic cylinder can be equalized. The equalization is performed by a control unit for the control of the pressure limiting arrangement. In order to correct the spring support performance of the hydraulic arrangement when a change in the loading of the hydraulic cylinder occurs, devices are provided with which a change in the loading condition of the boom can be detected as well as a signal reproducing the loading condition can be generated and that the signal reproducing the loading condition can be processed by the control unit.

The invention discloses a positive-and-negative pressure driving device for a mounting tool of a cold shrinking cable sealing cap. The positive-and-negative pressure driving device consists of an engine body, a hydraulic pump component, a negative-pressure output component and an adjustable pressure-limiting valve, wherein a pedal is mounted outside the engine body; the hydraulic pump component consists of a piston pump and an oil tank, and the piston pump is driven by the pedal; the negative-pressure output component comprises a hydraulic negative-pressure cylinder, the input end of the hydraulic negative-pressure cylinder is connected with the piston pump and also connected with the oil tank through a valve I, the output end of the hydraulic negative-pressure cylinder is connected with a negative-pressure output joint and also connected with a gas inlet through a valve III, and the hydraulic negative-pressure cylinder is driven by hydraulic oil to output negative pressure; the input end of the adjustable pressure-limiting valve is connected with the piston pump, the output end of the adjustable pressure-limiting valve is connected with a hydraulic oil output joint and also connected with the oil tank through a valve II, and the adjustable pressure-limiting valve is used for ensuring that the piston pump preferably provides hydraulic oil for the hydraulic negative-pressure cylinder. The structure of the positive-and-negative pressure driving device is simplified, and the total equipment cost and the failure rate are lowered; the positive-and-negative pressure driving device finishes the operation mainly by foot stepping, the mounting efficiency of the cold shrinking cable sealing cap is improved, and the positive-and-negative pressure driving device is compact in structure, convenient to carry and flexible in use.

Systems and methods for processing solid wastes from oil field operations are described, which may include or encompass removal of wastes from oil tanks, solid particle size reduction and recovery, and disposal by injection into a subterranean formation. Removal of liquefied solid wastes from oil tanks may be achieved by a washout and vacuum conveyance system. Solid wastes may be processed through a particle size reduction system. The particle size reduction system may include one or more separators each having an appropriate particle size threshold, one or more slurry tanks, an apparatus such as a grinder configured for reducing particle size, and one or more slurry pumps that transfer the slurry through one or more recirculation circuits or transfer conduits. Particle size may be further reduced by high velocity transport through the recirculation circuits. The processed slurry may be disposed of by re-injection into a subterranean injection zone.

The object of the present invention is to provide a fuel tank structure which can protect a fuel pump unit while suppressing the increase of the weight of the fuel tank and maintaining the appearance of the fuel tank. A center portion opening (122) formed in a fuel tank is closed by a lid portion (123) of a setting plate (121), an opening which allows a discharge pipe (124) extending from a fuel pump unit to pass therethrough is provided in the lid portion (123), and an upper portion of the fuel pump unit (120) is covered with the setting plate (121). Here, a gap (126) is ensured below the lid portion (123) to ensure the fastening ability of bolts (125a) and nuts (125b).

The invention discloses a hydraulic oil filtration system and a hydraulic shovel. The hydraulic oil filtration system comprises a pilot control system and a bypass filtration oil way, wherein the pilot control system is used for guiding and controlling a hydraulic working device (200), the bypass filtration oil way is provided with a bypass filter (3), a pilot pump (1) is placed inside the pilot control system, an oil suction of the pilot pump (1) is connected with a hydraulic oil tank (100), one end of the bypass filtration oil way is connected with the hydraulic oil tank (100), and the other end of bypass oil way is connected on a pilot control oil way between the pilot pump (1) and the hydraulic working device (200). Due to the fact that the bypass filtration oil way is provided with the bypass filter and is connected on the pilot control oil way and the hydraulic oil tank, high-precision and high-efficiency filtration is carried out on hydraulic oil by utilizing of a flow rate and oil pressure of the hydraulic oil on the pilot control oil way, working efficiency is improved, and the structure is simple and stable.

The invention discloses a variable-pitch hydraulic transmission wind turbine. The wind turbine comprises a wind energy acquirer and a variable pump coaxially connected; the variable pump is provided with a variable pump control unit; the variable pump communicates with a hydraulic energy storer, an oil supply system, a high-pressure pressure gauge, a high-pressure pressure sensor and a pilot electric-hydraulic proportional control valve through a one-way valve at the same time; the pilot electric-hydraulic proportional control valve is connected with a permanent magnet synchronous generator through a variable motor; the variable motor is provided with a variable motor control unit; the variable pump communicates with an inlet oil filter; the variable motor communicates with an outlet oil filter; the inlet oil filter communicates with a low-pressure pressure gauge, a low-pressure pressure sensor, an overflow valve and the outlet oil filter at the same time; the overflow valve also communicates with a hydraulic oil tank; and a one-way valve communicates between an outlet end of the one-way valve and an inlet end of the inlet oil filter. The invention further discloses a control method of the variable-pitch hydraulic transmission wind turbine. The device and the method are reliable in work.

The invention discloses an oil level detection device and detection method for a fuel oil tank. The oil level detection device for the fuel oil tank comprises the fuel oil tank, a slide rheostat, a first resistor, a second resistor, an ECU and a meter; a floater floats on the surface of fuel oil in the fuel oil tank and is connected with a slide sheet of the slide rheostat, one end of the slide rheostat is connected with voltage V through the first resistor connected in series, the slide sheet of the slide rheostat is grounded through a second resistor connected in parallel, the end, connected with the first resistor in series, of the slide rheostat is connected to the ECU and outputs the voltage V1, the other end of the slide rheostat is connected to the ECU and outputs the voltage V2, and the meter is connected to the output end of the ECU. According to an oil level sensor used for a car and the implementation method thereof, two ways of the voltage V1 and V2 are collected and input, the fuel oil capacity in the fuel oil tank is obtained through calculation, the interference of contact resistance of the slide rheostat is eliminated, and the more accurate calculation result can be obtained.

The invention discloses an agricultural soil fertilizing machine. The agricultural soil fertilizing machine structurally comprises a handrail, a fertilizing mechanism, moving wheels, a machine body and a fuel tank, wherein the handrail is movably clamped with the machine body; the moving wheels are connected with the machine body; the fuel tank is fixedly embedded in the upper end of the machine body; and the fertilizing mechanism is installed at the rear end of the machine body. The lower end of a trenching claw can swing rightwards along the shell based on reaction thrust on the trenching claw generated by a stone, so that the upper end of the trenching claw impacts the discharging end, the contact ends on a blocking strip can extend outwards, and the two contact ends can stop fertilizerconveying in a material guiding cavity within a short time; and a push-off block can slide upwards along a guide groove through thrust generated by dug soil to the push-off block on the trenching claw, and when the trenching claw stops trenching the soil, the push-off block can slide downwards along the upper surface, attached to the claw surface, of the guide groove through the inclined surfaceof the claw surface, so that soil attached to the outer surface of the claw surface can be pushed off.

The invention discloses a car fuel tank cap lock torsion testing device which comprises a fixing baseboard, a sleeve is connected onto the fixing baseboard, a fuel tank oiling tube head is fixedly connected onto the sleeve, a workbench is arranged on the periphery of the top of the sleeve, a supporting column is fixedly connected between the workbench and the fixing baseboard, a fuel tank lock cover is connected onto the fuel tank oiling tube head, a lock cover shuck is arranged on the fuel tank lock cover, and the lock cover shuck is connected with a torque wrench. According to the device provided by the invention, the fuel tank oiling tube head is fixed on the sleeve, so as to enable the fuel tank lock cover mounted on the fuel tank oiling tube head to be stable and reliable in the process of torque value testing, and the deviation of the testing value is decreased accordingly; the annular workbench is arranged on the periphery of the top of the sleeve, the combination of the torque wrench, the workbench and the sleeve enables the forward and backward torque value testing to be convenient and reliable, accuracy of the torque value testing result is further improved, and the testing of the qualified condition of the torque force of the fuel tank lock cover can be quickly conducted.

The invention discloses automatic processing equipment for an axle hole. The equipment comprises a frame, a power head, a workpiece clamp, a hydraulic station and an electric control cabinet, and is characterized in that a hydraulic system trunk, a hydraulic charge branch, a hydraulic blocking branch, a hydraulic pushing branch, a hydraulic compaction branch and a hydraulic feed branch, wherein the hydraulic system trunk consists of an oil tank, a filter net, a variable pump, a one-way valve, a stop valve, an oil inlet pipeline and an oil return pipeline; the branches consist of a three-position four-way electromagnetic slide valve, a one-way throttle valve, a two-way oil pressure latching valve, a pressure relay, a charge cylinder, a blocking cylinder, a pushing cylinder, a compaction cylinder and a power head cylinder; the branches and the trunk form a complete hydraulic system of the automatic processing equipment for the axle hole; the frame is fixedly connected with the electric control cabinet, a downhill type sliding rack, a workpiece V-shaped positioning block, hydraulic moving components and drill tools; and each moving component is correspondingly provided with an inductance approach switch.

A portable fuel tank includes a recess formed in a top wall that accommodates a fuel/water separator canister. The canister includes an inlet in fluid communication with liquid fuel in the enclosure and an outlet in fluid communication with a motor. The canister retains water separated from the fuel. A fuel intake tube is disposed within the tank and a fuel inlet conduit is disposed externally of the tank. The fuel inlet conduit has a first end in fluid communication with the fuel intake tube and a second end in fluid communication with an inlet of the canister. A manifold includes a first branch providing fluid communication between the fuel inlet conduit and the canister inlet and a second branch providing fluid communication between the canister outlet and a fuel outlet conduit that supplies water-free fuel to a motor.

The invention relates to a bearing multi-segment variable-section fuel tank of a fuelling vehicle. The bearing multi-segment variable-section fuel tank comprises a tank body and curved-surface sealing heads installed at the head end and the tail end of the tank body, wherein the tank body comprises at least three variable-section cylindrical segments which are sequentially connected; the longitudinal section of each variable-section cylindrical segment is in the shape of a right-angled trapezoid; the top side and the bottom side of each longitudinal section are a horizontal side and an inclined side with a predetermined inclination angle; the height of the tank body is gradually reduced from the middle part to the head and the tail of the tank body; a group of curved-surface wave-proof plates is distributed in the tank body at intervals; and through holes used for flowing of a medium are formed in the wave-proof plates, and the through holes in each two adjacent wave-proof plates are arranged in a staggered manner. The fuel tank disclosed by the invention has the advantages of being good in transportability, safe and reliable, capable of providing a fuel filling and pumping working channel which cannot be provided by a common semi-trailer, and suitable for large full-trailing and semi-trailing fuel filling and pumping working tank trucks.

In a liquid surface detecting device including a movable unit having an arm and a float, for detecting a liquid surface in response to a positional variation of the float, a liquid-repellent coating is formed on the surface of at least one of the arm and the float. Accordingly, it is possible to improve degree of precision of detecting the liquid surface since the movable unit such as the float is restrained from being displaced in response to a temporary displacement of the liquid surface in a fuel tank which is caused when a vehicle oscillates.

The invention discloses a container type generator set. The container type generator set comprises a container shell, an oil tank, a controller and at least two generator set bodies are installed in the container shell, the control ends of all the generator set bodies are in signal connection with the controller, and power units of all the generator set bodies are engines; and the oil tank is correspondingly connected with the oil inlets of all the engines through oil pipes. According to the container type generator set, the working states of the generator set bodies are switched through the controller so that the generator set can supply power uninterruptedly, and the requirement of the operating condition that one generator set body needs to be stopped to be repaired and maintained is met; the container shell is adopted, so that the technical problems that the transportation is inconvenient and a large installation site is required are solved; and the oil tank is internally arranged,and especially in order to meet long-time work requirements, the large-capacity oil tank is internally arranged so that the oil consumption requirement of long-time running of the generate set can bemet.

The invention provides an automatic oiling method and system of an unmanned ship. The method and system are used for at-sea automatic oiling of the unmanned ship. The method comprises the steps that 1, the residual oil amount of an oil tank is detected by the oil receiving chip, and an oil requirement signal is sent out when the oil receiving chip needs to be oiled; 2, an oiling ship receives theoil requirement signal and sails toward the oil receiving ship until the oiling ship is in a 'sending-receiving' range of a sensor of the oil receiving ship; 3, the oil receiving ship gets close to apoint where signal reflection of the sensor is the strongest; 4, after the two ships stay side by side, an oiling device is extended to an oil receiving device of the oil receiving ship by the oilingship; 5, the oil receiving device is locked and sealed after being connected with the oiling device, and an oiling signal is sent out by the oil receiving ship; 6, the oiling ship receives the oilingsignal and conducts oiling; 7, the oil receiving ship sends out an oiled signal and completes movements of unlocking, detachment and capping on the oil receiving device after being oiled.

The invention discloses stirring and emulsifying equipment for preparing energy-saving color paste. The equipment comprises a supporting table. Fixed bases are symmetrically arranged on two sides of the supporting table; hydraulic oil tanks are mounted in the two fixed bases; hydraulic pumps are connected above the two hydraulic oil tanks; hydraulic cylinders are mounted above the two fixed bases; and supporting table columns are fixedly connected above the two hydraulic cylinders. By arranging an oblique baffle plate and a stirring paddle, the baffle plate body can rotate through a connecting shaft, so that the acting force between centrifugal extrusion and impact of materials can be improved effectively, severe mechanism and hydraulic shearing, liquid layer friction and impact tearing are formed among the materials, and dyed materials can be fully dispersed, emulsified, homogenized and crushed, and meanwhile, the bottom stirring paddle can stir printed color paste falling to the bottom, so that the printed color paste can be stirred uniformly.

The invention relates to a sweeper driving system and a road cleaning vehicle comprising the sweeper driving system. The sweeper driving system comprises an oil tank, a hydraulic motor, a hydraulic pump, an electric control flow rate control valve and a controller, wherein the oil tank is used for storing hydraulic oil, the hydraulic motor is used for driving a sweeper of the road cleaning vehicle to rotate for carrying out sweeping operation, the hydraulic pump is communicated with the oil tank and is connected with an oil inlet of the hydraulic motor, an oil outlet of the hydraulic motor iscommunicated with the oil tank through an oil return path, an oil inlet of the electric control flow rate control valve is communicated with an oil inlet path, an oil outlet of the electric control flow rate control valve is communicated with the oil return path, and the controller is electrically connected with the electric control flow rate control valve and is used for regulating the flow rateQ2 of hydraulic oil flowing through the electric control flow rate control valve according to the running speed V of the road cleaning vehicle during the sweeping operation. Through the technical scheme, the relevance can be built between the running speed of the road cleaning vehicle and the rotation speed of the sweeper of the road cleaning vehicle, and the sweeping operation can be efficientlycarried out according to the running state of the road cleaning vehicle.