469 results about "Compression Pump" patented technology

The present invention relates to a device for controlling the working fluid circulating in a closed circuit (10) operating according to a Rankine cycle, said circuit comprising a heat exchanger (22) for evaporation of said fluid, swept by a hot fluid (Ch) from a hot source (28), expansion means (30) for expanding the fluid in vapour form, a cooling exchanger (40) swept by a cold fluid (Fr) for condensation of the fluid in vapour form, and a circulation and compression pump (12) for the fluid in liquid form.According to the invention, the device comprises means (54) of managing the mass of fluid contained in circuit (10).

The hose pump comprises an eccentric drive with numerous eccentric discs (21) fastened to a shaft (20). Each eccentric disc (21) drives a crank drive (24) having a connecting rod (25). At the end of the connecting rod (25), a pump finger (11) is borne for compressing a pump hose (10). A sealing diaphragm (27) is disposed between the eccentric drive and the pump hose (10) for preventing liquid from intruding into the interior of the housing (16). The connecting rod (25) sealingly passes through the sealing diaphragm (27). The sealing diaphragm (27) comprises lateral folds (31) so that it does not exert any substantial forces upon the crank drive (24). The hose pump has a low power consumption and permits a small structure.

Provided is a scroll compressor in which spillage of refrigerating machine oil into external cycle is reduced in low cost and assumable service condition range. The scroll compressor applies extreme flow rate differences to oil which has been mixed into discharge gas in the form of mist by making the oil flow in into a large cross-sectional area passage from a narrow passage at the initial stage of discharge gas circulating route, converts flow direction by using a current transformer, and liquefies and separates the oil mist by making the discharge gas collide with sealed container inner wall. Further, the compressor liquefies and separates oil mist permeating inside an end coil of a motor or lubricating oil flowing in from a bearing by making them collide with an oil cover partitioning outer diameter section (end coil inner diameter of a stator) of the rotor in such a manner that they are led to a rotating portion of a rotor to be applied by centrifugal force.

The invention relates to a preventing leakage water method and structure of diaphragm type pressure pump, wherein, hollow cylinders are respectively arranged on the acting zone of each piston relative to the screw holes of each balance wheel in the diaphragm sheet of the diaphragm type pressure ump. Every hollow cylinder is covered in a ladder hole of every piston pushing lump and passes through the central hole of the hollow cylinder by a fixing screw. During the screwing and fixing the screw hole of every swing wheel, the travel synchronous presses through the upper section of the hollow cylinder to expand and deform toward surroundings gradually. An interdiction structure of stopping water pressure leakage is formed between the bottom of the fixing screw head and the ladder hole top face of the piston pushing lump, thereby further preventing water pressure leakage and electrical short circuit and damage of pressure pump further after following into motor.

The invention relates to a supercritical organic Rankine dual cycle waste heat recycling system and belongs to the field a common heat exchange. The system comprises a medium temperature overheater, a medium temperature expander, a medium temperature condenser, a medium temperature compression pump, a medium temperature steam generator, a medium temperature expander crankshaft, a medium temperature output power device, a low temperature overheater, a low temperature expander, a low temperature condenser, a low temperature compression pump, a low temperature steam generator, a low temperature expander crankshaft, a low temperature output power device, an exhaust shunt valve, a low temperature shunt valve and so on. The connection of the elements is as follows: the medium temperature steam generator, the medium temperature overheater, the medium temperature expander, the medium temperature condenser and the medium temperature compression pump are connected in turn to form a loop to form a medium Rankine cycle; and the low temperature overheater, the low temperature expander, the low temperature condenser, the low temperature compression pump, the low temperature shunt valve and the low temperature steam generator are connected in turn to form a loop to form a low temperature Rankine cycle. The system is suitable to be used on road automotive engines which are variable in operating conditions and diversified in energy states for recycling waste heat.

The invention discloses a borehole high-concentration gas extraction and drainage method and a borehole high-concentration gas extraction and drainage device, which are applied to the gas extraction and drainage for all boreholes in an underground coal mine. The method comprises the steps of: providing a front hole sealing capsule and a rear hole sealing capsule or a front polyurethane reaction bag and a back polyurethane reaction bag in the extraction and drainage borehole, after fully expanding, injecting hole sealing mucus in a mucus tank between two hole sealing capsules or two polyurethane reaction bags through an injection tube by means of compressed air in the underground coal mine, wherein the gas in the borehole enters an atmospheric pressure storage tank from an extraction tube or a drainage tube, and then is stored in a high pressure storage tank through a compression pump. The device comprises a sealing device and a storing device. The sealing device comprises the two hole sealing capsules or the two polyurethane reaction bags, an injection tube and a mucus tank, the storing device comprises an extraction tube or a drainage tube, an atmospheric pressure storage tank, a compression pump and a high pressure storage tank. According to the method and the device, the problems that the holes and cracks around the extraction and drainage borehole can not be closely sealed can be solved, the structure is simple, the operation is easy, the construction cost is low and the concentration of extracted and drained gas is high.

The present invention relates to a construction improvement of the piston valve in compressing pump with features as below: The discharge base, which is built in the center of the piston valve, is contrived into planar shape; Some discharge spouts are created on said discharge base in corresponding with each said inlet slots; An orientating lump is created in the top center of said discharge base and being punched an orientating hole at its center; The anti-backflow plastic gasket, which is contrived into 3-blade planar shape to entirely cover the top of said discharge base, has a gap cleft created between each blade so that each said blade can closely block exactly each said corresponding inlet slots on said discharge base respectively; During each said wobble wheels of the compressing pump pushing said diaphragm in turns, the water flow, which coming from each said inlet slot at each area, will continuously runs into each said discharge spout at each area in said discharge base by turns so that each blade on said anti-backflow plastic gasket working up-open and down-shut action by turns as well, thus it really achieves the open-and-shut effect of each said discharge spout at each area; Therefore, not only the drawback of leakage and pressure loss or failure can be prevented, but also the serving life of said anti-backflow plastic gasket can be prolonged, thus the compressing and discharging efficiency of integral compressing pump can be further enhanced.

The invention relates to a microbubble water generation method and a generation device. The microbubble water generation method comprises the following steps: by pressing down a start key, a to-be-filled gas is imported into a dissolved gas tank from a to-be-filled gas conveying source, and gas is stopped conveying when the input to-be-filled gas reaches the needed amount; then a compression pump starts working, then water is conveyed into the dissolved gas tank until a pressure switch actuates, a controller controls an effluent water electromagnetic valve to switch on, to obtain the prepared microbubble water, then the compression pump continues working and stops working until the needed ratio of the import amount of water to the amount of the imported to-be-filled gas is achieved; and the controller controls a drain mechanism to work, and the microbubble generation device is under standby state until the remaining microbubble water in the dissolved gas tank is drained out. The invention further discloses a microbubble generation device corresponding to the method. By adopting the method and the device, a gas inlet channel is not easily plugged, the defects in the prior art can be avoided, so that the device can reliably work for long time, and the device also has a water-saving function.

The invented operation mode is to form negative pressure environment, atomizating at first, then evaporating. Evaporation tank is core of the system which consists of evaporation tank, condensation tank, liquid level tank, solar heater, water collecting tank, compression pump, vacuum pump, raw water tank, dense saline water tank, fresh water tank, heating unit, spray nozzle, air-water separator, heat transfer unit and autocontrolling system, changement of elevation level from 9M to 7M of the liquid level tank is utilized to form negative pressure area inside the evaporation tank, condensation tank and water collecting tank to reduce boiling point of seawater, heating unit is utilized to supply heat energy to make atomizated water temp. reaching boiling point, spray nozzle is used to atomizate seawater to be easy gasificated and evaporated, heat transfer unit is used to realize rapid condensation of vapour.

The present invention relates to a device for controlling the working fluid with low freezing point circulating in a closed circuit (10) operating according to a Rankine cycle, said circuit comprising a compression pump (12) for the fluid in liquid form, a heat exchanger (22) swept by a hot source (28) for evaporation of said fluid, expansion means (30) for expanding the fluid in vapour form and a cooling exchanger (40) swept by a cold source (F) for condensation of the working fluid.According to the invention, the device comprises a fluid collection tank (52) for draining said circuit.

The invention relates to a system control method for a refrigerator, in particular to a method for controlling a gas adjusting system of a fresh-keeping refrigerator. The method comprises the following steps that: when oxygen concentration sensors in storage chambers sense that the oxygen concentration in one or more of the storage chambers is greater than a set value, the oxygen concentration sensors transmit signals to a controller; the controller controls a compression pump to work according to the signals transmitted by the oxygen concentration sensors, and controls a gas distribution device to be communicated to the storage chambers in which fresh-keeping gas is needed to be supplemented; and when the oxygen concentration sensors sense that the oxygen concentration in all the storage chambers is equal to or smaller than the set value, the oxygen concentration sensors transmit signals to the controller, and the controller controls the compression pump to stop working. By the method for controlling the gas adjusting system of the fresh-keeping refrigerator, requirements of different foods with different fresh-keeping gas adjusting parameters can be met, the best fresh-keeping effects on different foods are achieved, each closed storage chamber is independently controlled, and gas in the storage chamber can be independently replaced; and the method has the advantages that the fresh-keeping time is prolonged, fresh-keeping quality is upgraded, energy consumption is reduced, and cross-contamination of the foods is reduced.

A fluid compressor that ensures the discharge of water from a discharge port when water is drawn into or condensed in a pump chamber. The compressor includes a pump chamber for drawing in fluid. The pump chamber includes a bottom part located in a lower portion of the pump chamber. Two rotors arranged in the pump chamber are rotated to compress the fluid in the pump chamber. A discharge port located in the bottom part discharges the compressed fluid out of the pump chamber. The bottom part defines a guide surface formed continuously from the discharge port. The guide surface is sloped downward so that water on the guide surface moves downward to the discharge port due to gravitational force.

The invention concerns a pump for compression of gases, such as air, of the type comprising a first cylinder and a second cylinder, a piston dividing said first cylinder into a first chamber located ahead of the piston and a second chamber located behind the piston, the piston and the second cylinder arranged to be displaced jointly relative to the first cylinder. A third chamber is formed between end walls of the cylinders and communicates with said second chamber via at least one opening formed in the jacket wall of the first cylinder. The pump is characterized by an inlet provided in the second end of the second cylinder in order to allow passage of air into a fourth chamber formed between the second end of the second cylinder and the end wall of the first cylinder, said fourth chamber communicating with said third chamber via a through-passage channel, wherein a valve is provided, formed in the end wall of the first cylinder.

The invention discloses a compound type monomer multi-effect steam mechanical recompression evaporator. The compound type monomer multi-effect steam mechanical recompression evaporator comprises a material distributing device, a heater, a steam-water separation chamber and a steam mechanical compression pump, and is characterized in that the material distributing device, the heater and the steam-water separation chamber are sequentially communicated from top to bottom and fixedly connected into a whole; the steam mechanical compression pump can communicate and connect the steam-water separation chamber with the heater through a pipeline; and a material input end of the steam-water separation chamber is connected with a feed pump through the pipeline, and a material output end is communicated and connected with the material distributing device through the pipeline and a circulating pump. The evaporator has the advantages of simple structure and small occupied space, and can achieve the effects of single-effect efficiency, multi-effect evaporation and energy conservation. Secondary steam produced by evaporation of material is recompressed by the steam mechanical pump and then used for heating the material, so that the circulating use is realized and the energy is saved. After the evaporator is opened and runs normally, the fresh steam does not need to be supplemented. The evaporator is suitable for evaporation and concentration of various liquid-containing materials.

The invention provides a liquid medicine atomizing drainage device and method. A liquid medicine storing and atomizing cavity, a gas compression pump, a high-pressure airflow channel, a high-pressure airflow nozzle, a liquid medicine absorbing pipe and a spacer; an atomizing opening is formed in the upper end of the liquid medicine storing and atomizing cavity and is connected with a corrugated pipe through a first one-way valve, and the corrugated pipe is connected with an atomizing cover; the atomizing cover is connected with an expiration exhaust opening through a second one-way valve, a first pressure sensor is arranged on the inner side wall of the atomizing cover, a second pressure sensor is arranged in the liquid medicine storing and atomizing cavity, a controller and a power module are arranged in the shell, the controller is connected with the gas compression pump through control switch signals, and the controller is connected with the first pressure sensor, the first one-way valve and the second pressure sensor in a signal mode. Along with breath of a patient, medicine mist is automatically controlled to be exhausted effectively, the medicine can be fully absorbed and used by the patient, and waste of the treatment medicine is avoided.

A heel supporting and protective boot for bed-ridden patients who may otherwise develop pressure sores on their heel. The body of the boot is comprised of a fiber and angled foam combination heretofore not used. The boot additionally has sewn tube holes on both sides allowing for use of medical tubing such as with a sequential compression pump. The inner portion material of the boot is a soft liner fabric which is antibacterial and absorbs moisture. The outer portion material of the boot is a fabric with fluid resistance. Further, the boot has a soft fiber-filled flap covering the shin portion of the leg to prevent pressure on the dorsal side of the lower leg. The boot additionally has a foot-position strap sewn and placed to the bottom of the boot running along both sides of the boot and attaching at the top of both sides of the upper boot to assist with the prevention of foot drop. Said invention further uses an opening at the heel which allows the heel to remain exposed to air as a result of proper elevation and cushioning created by the unique combination of fiber and angled foam in the body of said device. The elements incorporated address important factors in preventing or allowing healing of heel sores, or enhancing the curing of existing ulcers while minimizing chances of foot drop and minimizing chances of new pressure points. The fiber / foam combination, dual fabric content, shin flap, tubing holes, foot position strap and open heel design all work together to ensure proper healing and prevention of decubitis ulcers.

The invention relates to a system and method for processing blue-green algae by using supercritical water oxidation (SCWO). The system comprises a water pump, a high-pressure plunger pump, a heat interchanger, a preheater, a supercritical reactor, a high-pressure cyclone hydraulic separator and an oxidant compression pump, wherein the water pump, the high-pressure plunger pump, the heat interchanger, the preheater, the supercritical reactor and the high-pressure cyclone hydraulic separator are connected in sequence by transmission pipelines; the steam outlet of the high-pressure cyclone hydraulic separator is connected with the thermal medium inlet of the heat interchanger; and the oxidant compression pump is connected with the supercritical reactor by pipelines. The system is characterized in that the supercritical reactor is a high pressure resistant container in which a heater is arranged.

The invention relates to an unpowered microbubble water device. The unpowered microbubble water device comprises a dissolved air tank and a dissolved air releaser. The water inlet of the dissolved air tank is used for being connected with a water pipe for the tap water with pressure larger than 0.15 MPA. A groove which is opposite and adjacent to the spray opening of a spray nozzle is formed in the dissolved air tank, wherein the size of the groove is matched with the size of the spray opening of the spray nozzle. A plurality of flow limiting holes are formed in a flow limiting piece in the dissolved air releaser. By ingeniously utilizing the pressure of the tap water itself and the groove matched with the spray opening, the high turbulence degree can be achieved for water flow entering the groove, the liquid film thickness of one side of an air and liquid phase interface is reduced, the mass transfer coefficient is increased, the total area of the air and liquid phase interface is enlarged, and therefore the air dissolving efficiency can be obviously improved; by means of the flow limiting piece where multiple holes are distributed, the water in the unit volume is dispersed, air release is sufficient, and the bubble water outlet effect is good. Thus, under the compression-pump-free condition, the microbubble water can be obtained as well by improving the air dissolving efficiency and the air release sufficiency, and therefore the unpowered microbubble water device which is small in size, low in cost and free of noise is provided for people.

The invention discloses intelligent laser cleaning equipment and a method for nuclear power industry. The intelligent laser cleaning equipment comprises a vehicle frame, an integration controller, a cleaning arm mechanism, a laser optical fiber integration system and a compression pump, wherein the integration controller, the cleaning arm mechanism, the laser optical fiber integration system and the compression pump are arranged on the vehicle frame; the cleaning arm mechanism comprises a mechanical arm; a galvanometer integrating system is arranged at the front end of the mechanical arm; a concave dust suction head is arranged at the front end of a casing of the galvanometer integrating system, and is connected with the compression pump through a pipeline. The intelligent laser cleaning equipment has the advantages that by arranging a derusting gun, the derusting and depainting functions for the metal surface are realized; compared with other laser derusting equipment, an automatic intelligent traction function is realized, pollutants are intelligently identified, and the types of pollutants are determined; the substrate shape, pollutant thickness and other features can be intelligently identified, the technology parameters can be intelligently adjusted, and the pollutants can be cleared; by arranging a precision industrial robot, the precision laser cleaning operation can berealized in wide environments; the human-machine remote control function can be realized, and the nuclear radiation is avoided in the operation process.

The invention relates to the technical field of petroleum, in particular to a method for extracting nonpolar substances from oil-based drilling cuttings and an extraction device. The device comprisesa liquid storage tank, a high-pressure pump, an intermediate storage tank, an extraction kettle and a separation kettle which are communicated in sequence, wherein a compression pump is also arrangedbetween the separation kettle and the liquid storage tank, and a discharge port of the separation kettle and a feed port of the liquid storage tank are communicated through the compression pump. The method comprises the following steps: the oil-based drill cuttings are put into the extraction kettle, supercritical CO2 is enabled to flow through the extraction kettle in a countercurrent flow mode,so that the oil-based drill cuttings in the extraction kettle make contact with a supercritical CO2 fluid, and nonpolar substances in the supercritical CO2 fluid are extracted and separated in the separation kettle. The device is simple in structure, convenient to use, low in energy consumption and high in efficiency. The method has the advantages that resource, reduction and harmless treatment ofthe oil-based drilling cuttings is realized, treatment effect is good, recovery rate of base oil is high, and operation cost is low, and the problems of low efficiency and poor effect of treatment ofthe oil-based drilling cuttings by supercritical CO2 at present are solved.

An automobile exhausted gas exhausting cooling and condensing purification system is taken as an example to be described in a specification. The system consists of a refrigeration compressor unit (1) and an automobile exhausted gas cooling and condensing purifier (2) and is characterized in that in the refrigeration compressor unit (1), an automobile air-conditioning compression pump is replaced by a refrigeration pump, a compressor gas exhausting and returning pipe is connected to the automobile exhausted gas cooling and condensing purifier at the tail end of an automobile exhaust pipe to start refrigeration; in the automobile exhausted gas cooling and condensing purifier (2), a purifier housing is formed by stamping a stainless steel sheet, gas backflow partition plates are regularly installed inside the housing, refrigeration pipes are attached to the gas inlet sides of the partition plates and enable automobile exhausted gas to be rapidly cooled after the automobile exhausted gas passes through the purifier, condensed water is discharged into a filter groove after cooling, filter cotton is arranged in the filter groove, an exhaust pipe of a refrigeration system is installed under the bottom partition plate of the filter groove, the filter cotton is heated by utilizing high temperature of the exhaust pipe to enable the condensed water to be instantly evaporated and separated from the cooling and condensing purifier, and the purification process is completed.

The invention relates to a water-ground-source heat pump system, comprising a main line pipeline, a compressor pump and a hot water converter with a hot water outlet. The technical points are that the compressor pump is connected in series on the main line pipeline; the outlet of the compressor pump is connected with the hot water converter with the hot water outlet; the main line pipeline is also provided with uniformly distributed heat-absorption branch pipes in a parallel manner; the water inlet end of each heat-absorption branch pipe is arranged at the lower side of a groundwater table; and an ultrasonic generator or a water mist agitator pump is arranged in the heat-absorption branch pipe. The invention is characterized in that the invention utilizes a radiation principle of energy to firstly turn water into the water mist at normal temperature with the ultrasonic generator, transform the water mist to superheated steam through absorbing heat by the water mist, and raise the temperature of water in the hot water converter at last, and the obtained hot water after heating can be used for domestic hot water. The invention has the advantages of high heat exchange rate, uneasy scaled system, convenient maintenance, simple whole structure, low production cost and long service life of the device.

The invention provides a perfume drying device which comprises a drying oven, a heat pump module, a heat exchanger, a fan and a gas circulating pipeline. The heat pump module consists of a coagulator, an evaporator, a compression pump and a refrigerant circulating pipeline, the refrigerant circulating pipeline is connected with the coagulator, the compression pump and the evaporator, and a refrigerant is compressed by the compression pump and then coagulated into a liquid state by virtue of the coagulator, and absorbs heat in the evaporator to be converted into a gas state. The heat exchangeris a gas-gas heat exchange device and is connected with the drying oven, the fan is connected between the drying oven and the heat exchanger so as to drive air to flow out of the coagulator by means of the gas circulating pipeline and flow back to the coagulator after passing through the drying oven, the heat exchanger, the evaporator and the heat exchange pipe. The invention further provides an essential oil recycling method using the drying device. Hot gas discharged from the drying oven exchanges heat with the heat exchanger through the evaporator so as to extract essential oil contained in the hot gas, the air temperature is improved by the coagulator so as to circularly dry the perfume, thus further achieving the energy-saving effect.

The invention discloses a method for dike head construction and protection by an air curtain type jetty. The method is composed of a compression pump, a breather pipe and an air jetting pipe; the compression pump is arranged on an embankment, and the air jetting pipe is located at a bed of the outside of a slope type jetty; small holes are evenly distributed on the air jetting pipe, and the compression pump is connected with the air jetting pipe through the breather pipe; an outlet of the compression pump is provided with a valve, and the tail end of the air jetting pipe is provided with a blocking pipe; the air jetting pipe is in the shape of encirclement or divergence, wherein the encirclement means that the air jetting pipe is arranged at the periphery of a construction part of the slope type embankment in the form of an arc, and the divergence means that the air jetting pipe is arranged at the periphery of the construction part of the slope type embankment in the form of reverse trapezoid of evenly distributing five air jetting pipes in the middle. The method for dike head construction and protection has the following advantages: the method for dike head construction and protection is good in wave-preventing effect, simple and easy to practice; besides, the method can effectively shorten the construction duration and reduce the construction cost; the air jetting pipe is convenient to dismount, and can greatly speed up the construction speed; the method is suitable for the dike head construction and protection under the environment of deep water and short wave cycle.

The invention is a steam thermal circulation for converting heat energy into useful work, comprising a course: after an expander does work on gaseous working medium in original state, the gaseous working medium becomes lean gas with liquid working medium (i.e. the content y of the liquid working medium in the lean gas is greater than 0), and after the lean gas is processed by steam-liquid conversion, the liquid working medium returns to original pressure by compression pump, and the steam or the lean gas returns to original pressure by a pressure recovery system composed mainly of a jet, and then returns to original temperature by heat pump, steam generator and superheater; and a thermal device for implementing the thermal circulation, comprises the following devices of: steam generator, superheater, expander, reheater, vaccum pump, condenser, evaporator, steam-liquid separator, heat pump, compressor and jet. And the invention has high efficiency, able to reach and exceed 100%, theoretically.

The present invention provides a discharge implement of reservoir for portable pressurized sprayer” comprising a discharging vent and a discharging hose. The discharging vent, which created in a vertical tucked buttress for a recessed sole of a portable reservoir, has an end exposed outwardly. The discharging hose has an end opening connected to the exposed end of the discharging vent and another end opening connected to a cylindrical discharging mount of a diaphragm compression pump respectively. If air is mingled in the compressed water, the air is immediately brought into the discharging hose and pass the discharging vent to flow into the portable reservoir with all damped moisture therein so that the damped moisture is completely eliminated without damped moisture remained therein. Thus, the drawbacks of harmfully affecting all parts therein and shortening service life for the portable pressurized sprayer incurred can be entirely avoided.

The wriggling hose pump has an eccentric driving part furnished with a plurality of eccentric discs 21 to be fixed on a shaft 20. Each of the eccentric discs 21 drives a crank driving part 24 with a connecting rod 25. A pump finger 11 to compress a pump hose 10 is supported on an end part of the connecting rod 25. A seal diaphragm 27 to prevent intrusion of liquid to the inside of a housing 16 is arranged between the eccentric driving part and the pump hose 10. The seal diaphragm 27 has a side-way bent 31 so that it does not have substantial force work on the crank driving part 24.

The invention discloses wood door paint spraying equipment. Vertical plates are fixedly arranged at the two ends of a supporting plate, a second motor is arranged on the outer side wall of the vertical plate on one side through a motor installing seat, the output end of the second motor is provided with a third rotating shaft through a coupler, the other end of the third rotating shaft penetratesthrough the corresponding vertical plate and is arranged on the inner side of the corresponding vertical plate, and a first fixing block is welded to the other end of the third rotating shaft in a welded mode. A paint storage cavity is fixedly arranged in the middle position of the top of a paint spraying box, storage batteries are symmetrically arranged on two sides of the paint spraying cavity,a lamp frame is fixedly arranged on the inner wall of the top of the paint spraying box, and a plurality of baking lamps are arranged on the lamp frame. The paint storage cavity is connected with a first paint pipe, a compression pump is arranged on the first paint pipe, the other end of the first paint pipe is connected with a second paint pipe, a plurality of paint outlets are formed in the second paint pipe, each paint outlet is provided with a spraying gun, and each spraying gun is provided with a control valve.

The present invention relates to a method of controlling a closed loop (10) performing a Rankine cycle for a motor vehicle, said loop comprising a circulation and compression pump (12) for a working fluid, a heat exchanger (14) swept by a hot source (16) for heating said working fluid, expansion means (22) for expanding the hot fluid and a cooling exchanger (26) swept by a cooling fluid (28) for cooling this working fluid.According to the invention, the method consists, after detecting a vehicle accident situation, in communicating the inside of the loop with the ambient air.