11 results about "Atmospheric air" patented technology

There is provided an air-fuel ratio sensor with which an improvement in the accuracy in detecting the air-fuel ratio of detection target gas and an improvement in the response characteristics can both be achieved. The sensor includes a sensor element that outputs an output signal indicative of the air-fuel ratio of a detection target gas, a pair of electrodes including a detection target gas side electrode to which the detection target gas is introduced and an atmosphere side electrode exposed to the atmosphere, which are arranged in such a way as to sandwich the sensor element, a diffusion-controlling layer that is disposed on the sensor element in such a way as to cover the detection target gas side electrode and introduces the detection target gas from an entrance portion through which the detection target gas flows in to the detection target gas side electrode, and a catalyst layer provided on a part of the entrance portion.

On top of respective areas divided by partition plates, that is, a cassette station, a processing station, and an interface section in a coating and developing processing system, gas supply sections for supplying an inert gas into the respective areas are provided. Exhaust pipes for exhausting atmospheres in the respective areas are provided at the bottom of the respective areas. The atmospheres in the respective areas are maintained in a clean condition by supplying the inert gas not containing impurities such as oxygen and fine particles from the respective gas supply sections into the respective areas and exhausting the atmospheres in the respective areas from the exhaust pipes.

The invention relates to a system of power test, and the objective is to provide an air-fuel mixed power test system. In the test system, an eddy current dynamometer is connected with a pneumatic engine, a hydraulic dynamometer is connected with an internal combustion engine; and the test system also includes a gas tank for storing high pressure gas, the gas tank is connected with a heat exchanger, a stable pressure box and a pneumatic engine in order via pipelines; high-temperature discharging pipelines of the internal combustion engine is connected with the heat exchanger, exchanging heat with high pressure gas by the heat exchanger and communicationg with the atmosphere; a pressure sensor is provided on the stable pressure box, pipelines of the gas tank outlet is provided with an air flow meter, high pressure gas pipelines of both sides of the heat exchanger is provided with a thermocouple respectively; and all the pressure sensor, the air flow meter and the thermocouple are connected with a computer. The invention provides feasible test system for verifying validity of the air-fuel mixed power test system theoretical derivation, being able to provide reliable experimental parameters for implementation of more advanced air-fuel mixed power system in the future.

The invention discloses a recovery method of an alkyl-halide fire extinguishing agent in a fire extinguishing bottle for aviation, which belongs to the technical range of recovery of fire extinguishing agents. The recovery method comprises the following steps of: firstly, establishing a fire extinguishing agent recovery system which enables a fire extinguishing agent to be liquefied by reducing the temperature and increasing the pressure simultaneously; setting the temperature of a refrigeration house to be -40 DEG C and the volume of a pressure storage tank to be 35L according to practical needs; placing the pressure storage tank in the small refrigeration house or refrigerator, placing the fire extinguishing bottle outside the small refrigeration house or refrigerator; connecting the pressure storage tank to the fire extinguishing bottle and the fire extinguishing agent storage tank respectively; opening an inlet shutoff valve to release the fire extinguishing agent in the fire extinguishing bottle to the pressure storage tank, wherein the pressure storage tank is higher than the fire extinguishing agent storage tank, and the liquid fire extinguishing agent in the pressure storage tank flows towards the fire extinguishing agent storage tank under the action of gravity; and automatically recovering according to specific pressure. The recovery method diclosed by the invention has the advantages that the fire extinguishing agent discharged into the atmosphere is obviously reduced, so that the environment is protected, and the purposes of reducing the waste of the fire extinguishing agent and improving the recovery efficiency of the fire extinguishing agent are fulfilled.

The invention provides an oil-air separator driven by an engine oil scavenging pump. The oil-air separator driven by the engine oil scavenging pump comprises the scavenging pump, a cyclone type oil-air separator body, a transition pipe and an engine oil tank. An inlet of the transition pipe is connected with an outlet of the scavenging pump. An outlet of the transition pipe is connected with an inlet of the cyclone type oil-air separator body. The cyclone type oil-air separator body is installed on the engine oil tank. After an air and oil mixture in a crankcase of an engine is sucked by the scavenging pump and pressurized, the air and oil mixture enters the cyclone type oil-air separator body through the outlet of the scavenging pump via the transition pipe. After separation, air is discharged into the atmosphere, and engine oil flows back into the engine oil tank. By the adoption of the oil-air separator driven by the engine oil scavenging pump, the pressure of the outlet of the scavenging pump is fully utilized, the initial speed of the oil-air mixture at the inlet of the oil-air separator body is greatly increased, the oil-air separation efficiency of the oil-air separator is improved, the atmosphere pollution caused by the engine oil in exhaust gas of the engine is reduced, and engine oil consumption is reduced.

The invention discloses a timber drying furnace, which comprises a furnace body, and a flue connected with the burning chamber and the fume outlet of the furnace body. The flue is fixed outside the furnace body, a heat conducting oil interlayer communicated is arranged on the flue and the furnace body, an expansive oil pipe connected with atmosphere is arranged in the heat conducting oil interlayer to be used for a hydraulic pump cycled by the heat conducting oil in the heat conducting oil interlayer; the heat conducting oil is adopted as a medium, the higher drying temperature can be obtained, and the temperature is easy to be controlled, the drying time is greatly saved, because an open mouthed water collecting sump is arranged outside the heat conducting oil interlayer, the water quantity can be increased and reduced according to the demand, thereby controlling the humidity of the hot air blast, and ensuring that the drying timber is free from the crack, the deformation and the discolor, the drying is even, the product quality is improved, when the heat quantity passes through the flue, the heat conducting oil in the flue interlayer can be completely absorbed, thereby fully utilizing the heat quantity, therefore the acceleration speed is improved, the thermal efficiency is high, and the fuel material is saved.

Curtain wall based drain opening apparatus comprises a drainage element extending outwardly from, and in fluid communication with, a concealed horizontal water flow channel associated with a stationary first frame element of an inwardly pivotable window assembly and adapted to receive infiltrated water, wherein the drainage element passes through a second frame element which is laterally spaced from two adjacent fixed panels of a curtain wall and is exposed to atmospheric air.

The invention relates to a station for measuring particulate contamination of a transport chamber for conveying and atmospherically storing semiconductor substrates, said transport chamber including a rigid enclosure (2) provided with an opening and a removable door (3) that enables the opening to be closed. The measuring station comprises: a chamber (4) having a controlled environment, comprising at least one loading port (8) suitable for being coupled to the rigid enclosure (2) and also to the door (3) of the transport chamber such as to move the door (3) into the chamber (4) having a controlled environment and place the inside of the rigid enclosure (2) in communication with the inside of the chamber (4) having a controlled environment ; and a measurement module (5) comprising a unit (14) for measuring the particles, and an enclosure measurement interface (16) configured such as to be coupled to the rigid enclosure (2) transport chamber coupled to the chamber (4) having a controlled environment, instead of to the door (3). Said measurement station is characterized in that said enclosure measurement interface (16) comprises a measurement head projecting from a base of an enclosure measurement interface, having a first sampling opening (12) connected to the unit (14), for measuring the particles, and at least two injection nozzles (20) configured to direct a gas stream onto at least two separate places of the rigid enclosure (2) coupled to the chamber (4) having a controlled environment. The respective orientations of the injection nozzles (20) are stationary relative to the coupled rigid enclosure (2). The invention also relates to a method for measuring particulate contamination of a transport chamber for conveying and atmospherically storing semiconductor substrates.

The invention discloses an ammonia-water absorption type refrigerator driven by oilfield waste heat and used for recycling light hydrocarbon. The absorption type refrigerator is composed of a conduction oil generator, a rectifying tower, a condenser, a liquid ammonia tank, a subcooler, a liquid filling bubbling absorber, a solution heat exchanger, a fire tube furnace flue gas finned tube recoverer, a heating medium furnace flue gas finned tube recoverer, a concentrated solution tank, a solution pump, an electric control cabinet, an electric regulating valve and a temperature sensor. The ammonia-water absorption type refrigerator has the characteristics that exhaust flue gas waste heat of a heating medium furnace and a fire tube furnace in an oilfield light hydrocarbon recycling technical process is fully recycled, and the recycled waste heat is used for driving a unit to perform refrigeration for replacing a traditional compression type refrigerator in the oilfield light hydrocarbon recycling technical process, and thus the electric power consumption for recycling the oilfield light hydrocarbon is reduced while the exhaust flue gas temperature of the heating medium furnace and the fire tube furnace is decreased and air environmental pollution is reduced. The binding equilibrium of cold and heat in an oilfield light hydrocarbon recycling technique is achieved, and the unit has multiple advantages that the operation is reliable, easy and convenient, and the electricity consumption is reduced by 90% compared with the traditional compression refrigerator.