9 results about "Oil filter" patented technology

An oil filter for an internal combustion engine with a cup-shaped housing that is releasably connectable to a receiving head. The housing has a first interlocking element that extends across at least a portion of the outer circumference of the housing and is interrupted by at least one axially extending recess. The filter element has a liquid-tight canister provided on its outer surface with second interlocking elements, which fit into the recesses of corresponding first interlocking elements when the filter element is installed in the housing.

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 relates to a filtering method for transformer oil. The filtering method comprises the following steps of: firstly, sequentially connecting two ends of each of a first valve, a fourth valve, a second valve and a third value by pipelines to form a valve bank which is in an annular structure and respectively connecting a transformer oil tank, an oil return port of an oil filter, a first oil tank and an oil outlet of the oil filter; secondly, starting the oil filter for filtering oil in the transformer oil tank; and thirdly, pumping the filtered oil into the transformer oil tank. The filtering method has the beneficial effects that: firstly, the filtering method is simple in operation; and the oil filter is not needed to be closed in the filtering process, so that the work period is shortened and the efficiency is improved; secondly, devices adopted in the method are conventional devices, are low in price and are convenient for popularization and application; thirdly, the missing of oil products and the pollution to the environment are avoided; and fourthly, the filtering method is not only suitable for oil filtering occasions, but also is suitable for oil exchange and new oil injection occasions.

The invention provides a novel lubricating oil filtering system for a turbine body. The lubricating oil filtering system comprises an oil tank, oil inlet pipelines and oil return pipelines, wherein the oil inlet pipelines and the oil return pipelines are connected between the oil tank and bearings of a turbine. An auxiliary oil pump is arranged in the oil tank, washing filters are arranged between the oil tank and the oil inlet pipelines of the bearings, filter elements are arranged in the washing filters, bearing bushes are arranged in the bearings, bearing bush oil inlet pipelines and bearing bush oil return pipelines are arranged on the two sides of the bearing bushes, and temporary pipelines are connected between the bearing bush oil inlet pipelines and the bearing bush oil return pipelines in a short-connection mode. According to the novel lubricating oil filtering system, the washing filters are arranged between the oil tank and the oil inlet pipelines of the bearings, the auxiliary oil pump of the turbine serves as an oil washing power device, the maximum flow requirement of the system is met, the recycle washing multiplying power is increased, and the oil filtering speed is high. By using the system, the electricity consumption can be reduced, the installation work amount of the temporary pipelines can be reduced, an oil filtering pipeline can be shortened, and the recycle washing time of a turbine oil system can be shortened.

The invention discloses an online quenching oil filtering device for a thermal treatment furnace. The online quenching oil filtering device comprises a quenching oil groove, wherein the quenching oil groove is provided with an oil outlet and an oil return opening, and a first filter, an oil pump, a centrifugal machine, an oil storage groove and a second filter are sequentially connected between the oil outlet and the oil return opening through a pipeline. The online quenching oil filtering device can filter oil sludge and suspended particles in the quenching oil online in real time, so that the cooling performance of the quenching oil is guaranteed, the consumption of the quenching oil is reduced, and the thermal treatment effect of a product is improved.

The invention discloses a lubricating oil filtering device. The lubricating oil filtering device comprises a first shell, a second shell, connecting assemblies and a one-way valve, wherein the first shell is provided with an inner cavity, the inner cavity is provided with a filter element, the second shell is detachably connected to the first shell, an oil inlet channel and an oil outlet channel are formed in the second shell, one end of the oil inlet channel communicates with the position, where the filter element is not arranged, in the inner cavity, one end of the oil outlet channel communicates with the position, where the filter element is arranged, in the inner cavity, the other end of the oil inlet channel and the other end of the oil outlet channel correspondingly communicate with the outside, the connecting assemblies are correspondingly arranged in the first shell and the second shell and are configured to be detachably connected with the first shell and the second shell, the one-way valve is arranged at one port, communicating with the inner cavity, of the oil inlet channel, the one-way flow direction of the one-way valve is from the outside to the inner cavity, and the connecting assemblies communicate with the first shell and the second shell so that a lubricating oil filter can be rapidly assembled and disassembled.

The invention provides a range hood oil cup structure which can fully solve the problem of oil dripping of an oil net, and keeps the clean of a kitchen. The oil cup structure comprises an air-out base, a motor, an upper shell, and a lower shell, wherein the lower end of the air-out base is provided with the motor which is corresponding to the bottom of a spiral case of the motor; a combining part of the upper shell and the lower shell is provided with an oil-filter screen, and a fluorescent tube is arranged in the upper shell; the side wall of the upper shell is provided with a control button, the bottom of the oil-filter screen is provided with an oil cup, and the oil-filter screen bends inward so as to form circular arc surfaces; and an oil groove is arranged between the adjacent circular arc surfaces, and each oil groove bends to the exterior of the oil-filter screen.

The invention discloses a multi-claw adjustable diagonal breathing range hood, which comprises a range hood, a range hood, an exhalation component and a control system thereof, and the range hood is diagonally arranged at the lower part of the rear side of the stove. and the upper part of the front side of the cooktop; the oil suction assembly includes a oil suction pipe, a oil suction motor, a fan wheel of the oil suction motor, and a smoke exhaust pipe. There are multiple oil suction claws adjusted, the oil suction main pipe is connected with the oil exhaust pipe, and the fan wheel of the oil suction motor is set between the oil suction main pipe and the oil exhaust pipe; the oil suction main pipe is equipped with a main oil filter device, and each oil suction pipe The claw is equipped with an auxiliary oil filter device; the exhalation assembly is similar in structure to the oil suction assembly, and also includes multiple exhalation claws with adjustable angles. While the oil fume removal effect is achieved, the motor power of the range hood is reduced, and the noise is reduced at the same time, so as to achieve silent exhaust fume.

The invention relates to an oil filter. The oil filter comprises oil filtering drawers and a support, wherein each oil filtering drawer comprises a base wall and a fence; each fence is provided with astepped platform; the lower edge of each fence is provided with a platform seat; a plurality of oil filtering drawers are successively stacked; one side of each fence is provided with an oil inlet pipe and a steam inlet pipe; the other side of each fence is provided with an oil outlet pipe and a steam outlet pipe; a filter layer is separately arranged between an oil inlet pipe and an oil outlet pipe and between a steam inlet pipe and a steam outlet pipe; a plurality of oil inlet pipes are in parallel connection with a main oil inlet pipe which is provided with an oil outlet pump; a pluralityof steam outlet pipes are in parallel connection with a main steam inlet pipe which is provided with a steam generator; a plurality of oil outlet pipes are in parallel connection with a main oil outlet pipe which is connected with an oil storage tank; a plurality of steam outlet pipes are in parallel connection with a main steam outlet pipe which is provided with a negative pressure generation pump; the upper end of each oil inlet pipe is connected with a drying pipe through a three-way valve; the support comprises a top plate and a base plate; the lower end of the base plate is provided witha lift-drop column; and a plurality of oil filtering draws are clamped between the top plate and the base plate. The oil filter provided by the invention has simple structure, is convenient to use, and reduces energy consumption.