Oneway swash plate type variable displacement structure. This paper presents three different control concepts for a swash plate compressor using a builtin control valve. A swash plate type compressor composed of a pair of cylinder blocks having pistons and a swash plate. There are either 3 pistons with 6 cylinders or 5 pistons with 10 cylinders set with this swash plate. Homebuilt helicopter swashplate plans build a helicopter. Oct 20, 2010 opposed axial swash plate compressors figure 1 sanden swash plate compressor these compressors usually contain six or ten pistons. Evaluation of different compressor control concepts for a swash. Therefore, the decision of the products suitability to the system considered must be. Damper clutch decay diode, thermal fuse, speed sensor high efficiency superior durability enhanced nhv performance. The denso ac compressor range exist of 2 groups, reciprocal type and rotary type compressor. On application usage of the products the operating conditions of the products shown in this catalog vary depending upon each application. Evaluation of different compressor control concepts for a swash plate compressor. The swash plate angle can be adjusted, which forces the piston to make. Design methodology and dynamic simulation of fixed.
Study on the co 2 electric driven fixed swash plate type compressor for ecofriendly vehicles. Swash plate with better temp compressor the v520 typically uses a swash plate compressor and it is available with the following belt configurations. University kinematics project with an assembly consisting of 48 components 20 unique. This paper presents three different control concepts for a swash plate compressor. The balance of characteristics and reliability in this compressor make it suitable in a widerange of vehicles around the world, such as small vehicles, minivans. First, a structure of a swash plate type compressor will be briefly described. High performance with excellent durability and reliability. To install a pdf compressor software, you need to go to the official website of the respective software, and then download the installation file from there. In order to better understand the scuffing event, there is a. Swash plate type compressor calsonic kansei corporation. The observation of the moment caused by a single piston shows a periodic moment to the swash plate related to one turn. With this type of compressor, the cylinders and pistons are arranged axially along the drive shaft.
Types of compressor and structure swash plate type fixed. Simulative friction and wear study of retrofitted swash plate and rolling piston compressors t. Driven by the engine via a belt and clutch or pulley, it compresses the low temperature, low pressure gaseous refrigerant from the evaporator, into a high temperature, high pressure gaseous refrigerant, which is then discharged to the condenser. Double acting swash plate ac compressor exposed duration. The following is an outline of the swash plate type compressor. You can connect multiple swash plate blocks to multiple pistons. C079, page 1 a study on the variable displacement mechanism of swash plate type compressor for automotive air conditioning system geon ho lee1, tae jin lee2 1 department of refrigeration and air conditioning, doowon.
As a result, the swash plate tilts at a maximum angle. The compressor is at the heart of every cars climate control system, and vital to its proper operation. Oneway swash plate type variable displacement types of compressor and structure. The pistons in an opposed axial compressor are connected together by a solid piece that keeps them at a fixed distance from each other. Kim, in 8th international conference on compressors and their systems, 20. Fixed swashplate compressor new generation model displacement ccrev length mm diameter mm weight, wclutch kg max speed rpm cooling capacity kw torque n. The swash plate block models a single, pistonactuated swash plate within an axialpiston pump. This compressor is a swash plate type compressor with onesided compression, having a continuously variable displacement mechanism. Ball and shoe design provides flexible movement, promoting better lubrication and. Methods for detection of lubrication failure applied to a swash. Swashplate type axial piston pumps for open circuits in. Swash plate compressors archives tcci manufacturing. Swash plate type axial piston pumps for open circuits in industrial vehicles.
Oil charge guide compressor make model typeoperation oil capacity ester oil pag oil denso tv14c through vane 120 160ml ogx001 ogx9801. This paper describes the design concept, development and experimental work of the newly developed symmetrical multistage wobble plate compressor. Swash plate for swash plate compressor and swash plate. Evaluation of different compressor control concepts for a. The mechanism changes the swash plate angle by increasing or reducing the pressure of swash plate chamber using the ecv functions. Electronically controlled clutchless or variable drive. It can be used as a standalone pump, a hydraulic motor or an automotive air conditioning compressor. The clutchless compressor will reduce swash plate angle to 2% when not activated by. Pdf evaluation of different compressor control concepts for a. Lubricating condition between swashplate and shoe in.
Denso 10p15c swash plate 10 cyl 120 5ml ogx001 ogx9801 denso 10p17c swash plate 10 cyl 100 140ml ogx001 ogx9801. After you have downloaded the installation file, you need to run the installation file on your compatible device. Measurement of oil film between swash plate and shoe for. Swash plate type compressors are highly recommended, mainly because of their advantages of low vibration and noise. Also in another study, 19 a model for a fixed displacement swash plate compressor has been developed and an established method can be used to predict the volumetric efficiency and power of compressor. C079, page 1 a study on the variable displacement mechanism of swash plate type compressor for automotive air conditioning system geon ho lee1, tae jin lee2 1 department of refrigeration and air conditioning, doowon technical college. Torque on the cylinder block of an axialpiston swashplate. Px compressors are durable at higher speeds, have lower noise vibration harshness nvh, and are variably controlled for maximum environmental benefit. The primary failure mode of swash plate compressors is scuffing at the shoe and swashplate interface. A swash plate compressor capable of realizing an excellent sliding characteristic when a drive shaft is. The other components require variousparameters dimensions, stiffnesses, damping etc befitted to. Valeo compressor clutch, and other original compressor spare parts for bus air conditioning system with competitive pricing. Tribological performance of ptfe and peekbased coatings.
The critical contact in the swash plate compressor is that between the shoe and the plate. This compressor consists of cylinder, piston, swash plate, shoe and valve assembly, and is operated by the rotation of. Another type of reciprocating compressor, usually employed in automotive cabin air conditioning systems, citation needed is the swash plate or wobble plate compressor, which uses pistons moved by a swash plate mounted on a shaft see axial piston pump. The sabres product line is an air and gas compressor developed by rix industries to meet the needs of the armys future combat system fcs, and various naval and aerospace pneumaticgas requirements. Since compressor work reduces the net cycle work output. May 01, 1973 in a swash plate type compressor in general, the swash plate is usually positioned centrally between the opposing cylinders. The present invention relates to a swash plate for a compressor. The fixed swash plate is held between the opposing ends of the double piston by a pair of shoes and two steel balls. Swash plate in a singlepiston, isothermal axial piston pump. The area contact is made up of a bronze shoe, loaded by a steel ball to permit the same degree of freedom found in the actual compressor, sliding against a flat ductile cast iron plate.
A swash plate, for a swash plate compressor, which is excellent in resistance to the occurrence of seizing in a condition where an extreme pressure is generated owing to local contact between the swash plate and a shoe which slides thereon and in a condition where lubricating oil is depleted, capable of preventing cavitationcaused erosion of a resin film when the swash plate is. Torque on the cylinder block of an axialpiston swash plate type hydrostatic pump noah denver manring iowa state university follow this and additional works at. Homebuilt helicopter swashplate plans ebook download. May 20, 2014 solenoid operated electromagnetic control valve ecv in the compressor controls the air conditioning system by means of a pulse width modulation pwm input signal supplied from an external source controller. This manual can be viewed on any computer, as well as zoomed and printed, makes it easy to diagnose and repair problems with your machines electrical system. Part of theagriculture commons,bioresource and agricultural engineering commons, and the mechanical engineering commons. Design methodology and dynamic simulation of fixed displacement swash plate compressor.
A study on the variable displacement mechanism of swash plate. Since then toyota industries has diversified and expanded the scope of its business domains to include textile machinery, automobiles vehicles, engines, car airconditioning compressors, etc. Pdf swash plate compressor is widely used in automotive air conditioning industry for its light. Sep 05, 2016 swash plate compressor panya potiwong. A common example of a swashplate application in a fluid pump is the compressor of a presentday automobile air conditioning system. Swash plate type compressor and sliding parts a schematic diagram of a swash plate type compressor for a car air conditioner used in the present study is shown in. Swash plate piston pump axial flow variable displacement. An axial piston pump is a positive displacement pump that has a number of pistons in a circular array within a cylinder block. This compressor is intended for natural gas refueling application which requires high pressures, utilizing five stage compressions to raise the pressure from 3 bars to 206 bars. A swash plate type compressor for compressing a refrigerant of an air conditioning system incorporating therein a rotating swash plate made of an aluminum alloy, one or more compressor pistons reciprocating in a cylinder block for effecting compression of the refrigerant, and an operative engagement means which is between the swash plate and the piston or pistons. By varying the angle of the swashplate, the pistons stroke and, therefore, the compressor s cooling capacity can be dynamically adjusted. In this article the detailed simulation of swash plate compressor with the five double acting pistons is performed to predict the dynamic motion. Balanced swash plate design offers superior nvh characteristics.
Pdf an inline axialpiston swash plate pump with pressure compensator is widely used for its fast speed of response and power economy. On the other hand, since the swash plate 16, that is, the tip of the disk portion 72 is partially dipped in part of the lubricating oil, the shoes 78 and the balls 80 within the dents 76 of the remaining three pistons 18 positioned in an upper level are lubricated when the swash plate 16 is rotated by the start of the compressor 10. The mathematical model of the control mechanism used in a variable displacement swash plate compressor vdsc is developed based on the force balance equation, mass and energy conservation equation. The swash plate converts its rotary motion into linear reciprocation of the pistons. Swash plate compressor is widely used in automotive air conditioning industry for its light weight, small size and compact structure. Toyota industries corporation was founded in 1926 by sakichi toyoda to manufacture and sell the automatic looms which he had invented. Furthermore, the investigators have used experimental data to validate the model and indicated that the method is very helpful for designers at. Simulative friction and wear study of retrofitted swash plate. The drive rotor is fixed in the main shaft and drives the swash plate rotating along with the main shaft. Simulation and performance analysis of control mechanism in. Compressor, condenser and evaporator, the tree main components of an ac system, guarantee the proper operation of the heating unit, cooling unit, moisture remover and ventilator. Pdf evaluation of different compressor control concepts. Komatsu swash plate type piston pumps pdf manufactured by the company komatsu presented for you in electronic format page size 595 x 842 pts a4 rotated 0 degrees. Pdf pressure compensator design for a swash plate axial.
It has been developed from previous variable displacement compressors, and it encompasses a simple structure. Pdf compressor, from abelssoft, is a useful utility that lets you compress portable document format files to a custom size, either individually or in batch, thereby reducing the amount of space they take up on your computer. Visionaire designs, manufactures and distributes air conditioning, heating and cab pressurization products for work equipment cabs. Types of compressor and structure oneway swash plate type. C125, page 2 international compressor engineering conference at purdue, july 1215, 2004 2. Compressor week continues, swash and wobble plate compressors.
One of the most elusive parts of building your own homemeade helicopter is now available to the public. International compressor engineering conference at purdue, july 1215, 2010 lubricating condition between swashplate and shoe in swashplate compressor mitsuhiro fukuta1, yasuhiko nakahara2, naoya tanabashi2 hisashi suzuki3 and tadashi yanagisawa1 1department of mechanical engineering, shizuoka university. One piston is comprised of cylinders on both sides. In a swash plate type compressor, provided is an introduction flow passage through which refrigerant is. Double a groove poly v groove swash plate compressor size 16 cylinders 6 displacement 39. Pdf new symmetrical multistage wobbleplate compressor. Suitable for a wide variety of system applications. The pistons operate within the cylinders and are driven by a swash plate. Pdf leakage analysis of ecv in variable displacement. The required amount of refrigerant gas is sucked in and compressed by changing the pressure balance within the compressor. Accordingly, the cylinder block structure is divided into front and rear, or upper and lower, or right and left halves. The pistons reciprocate in accordance with the rotation of a swash plate, which rotates integrally with a drive shaft. Pdf design methodology and dynamic simulation of fixed. Simulative friction and wear study of retrofitted swash.
Pdf study on the co 2 electric driven fixed swash plate. Pdf performance analysis on a variable capacity swash. Developments of vaporcompression systems for vehicle air. Manual blower control pwm blower control blower control. Jun 27, 2019 hereinafter, an apparatus for reducing suction pulsation and a swash plate type compressor comprising the same according to the present invention having the configurations as described above will be described in detail with reference to the accompanying drawings. Buy your copy today of the homemade helicopter swashplate plans. In this video we have explained all the components of the pump and how each components contribute to its working, you can see how the flow can be varied using the swash plates and how the pistons. Opposed axial swash plate compressors figure 1 sanden swash plate compressor these compressors usually contain six or ten pistons. The pistons move back and forth when power from the engine causes the shaft and swash plate to rotate. Damper clutch decay diode, thermal fuse, speed sensor high efficiency. Easy angle change of swash plate features 567 cylinders, variable swash plate mechanism light weight and high efficiency externally controlled variable displacement quick cool down and improved fuel economy clutchless compressor x compared with clutch compressor weight reduction up to ikg reduced package up to 12mm. Swash plate in a singlepiston, isothermal axial piston.
In the swash plate compressor, when its operation is started, the lubricating oil collected on the bottom of the housing partially enters the dent of each piston through the swash plate, while evaporating ingredients of the lubricating oil as well as the refrigerant enters the dent of each. The compressor under investigation had six cylinders and capacity regulation was made by changing the swash. Pdf evaluation of different compressor control concepts for. In order to verify the mathematical model, a test bench of control mechanism and test system of vdsc are established, and the simulated results. The single swash plate en wobble plate are variable type compressor. Swash plate for compressor kabushiki kaisha toyota. Development of the swash plate type continuously variable. Rix based its design on the solid building blocks of our proven swash plate technology. Leakage analysis of ecv in variable displacement swash plate type compressor. This paper presents three different control concepts for a swash plate compressor using. We have developed a new compressor for car air conditioners. The moment resulting from all the pistons together shows an almost constant moment to the swash plate. Compact variable compressor compact variable compressor in steps piston compressor scotch yoke compressor scroll compressor swash plate compressor txv operation txv operation in steps vane compressor wobble plate compressor. The pistons in an opposed axial compressor are connected together by a solid piece that keeps them at a.
When the shaft rotates, the swash plate forces a reciprocal. A numerical study on the performance of a variable capacity swash plate compressor for an automotive airconditioning system was carried out. As the shaft rotates, the swash plate that is integrated with the shaft converts this rotational movement into reciprocating movement of the pistons, which draw and compress the refrigerant gas. It translates linear actuation into rotational motion that, when connected to the valve plate orifice il block, periodically connects the piston with the pump intake and discharge. Nov 15, 2017 in this video we have explained all the components of the pump and how each components contribute to its working, you can see how the flow can be varied using the swash plates and how the pistons. Smooth, dual valve plate compression and discharge. Swash plate compressor kabushiki kaisha toyota jidoshokki.
The clutchless compressor when seen on a running engine gives the appearance of a regular clutch type unit with the clutch engaged, because the front hub plate is always spinning when the engine is running. The improved valve assembly of swash plate compressor for vehicle air conditioning system. A study on the variable displacement mechanism of swash. The mechanism of a variable wobble plate compressor the preferred configuration for a piston compressor soon moved to a double acting swash plate design of which the harrison delphi hd6 is typical. Swash plate compressor is widely used in automotive air conditioning. The equivalent geometry used in each test is the same.
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