With this type of compressor, the cylinders and pistons are arranged axially along the drive shaft. K3vl pumps are available in nominal displacements ranging from 28 to 200 cm3rev with various. Wobble plate compressors offer the best value in cost and durability. Damper clutch decay diode, thermal fuse, speed sensor high efficiency superior durability enhanced nhv performance. Improved resistance to low or lost lubrication conditions. Pdf an inline axialpiston swashplate pump with pressure compensator is widely used for its fast speed of response and power economy. Compact compressors for use in low horse power applications. Torque on the cylinder block of an axialpiston swash. Unlike the fixed displacement type, however, there is only one cylinder.
Pdf pressure compensator design for a swash plate axial. Evaluation of different compressor control concepts for a. The swash plate makes sliding contact with shoes on its both sides, and the shoes drive doubleacting pistons reciprocally to compress the air in cylinders. On application usage of the products the operating conditions of the products shown in this catalog vary depending upon each application. This paper describes the design concept, development and experimental work of the newly developed symmetrical multistage wobble plate compressor.
Pdf leakage analysis of ecv in variable displacement. Oneway swash plate type variable displacement types of compressor and structure. The following is an outline of the swash plate type compressor. A swash plate type compressor composed of a pair of cylinder blocks having pistons and a swash plate. The observation of the moment caused by a single piston shows a periodic moment to the swash plate related to one turn. 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. V800 series units are equipped with an industrystandard swash plate compressor, which uses a wide range of drive kits for ease of installation. Types of compressor and structure swash plate type fixed. The road compressor is powered by the vehicles engine and the electric standby compressor is powered by an electric motor located in the unit. Performance analysis on a variable capacity swash plate. 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. Double acting swash plate ac compressor exposed duration. The pistons in an opposed axial compressor are connected together by a solid piece that keeps them at a.
Types of compressor and structure oneway swash plate type. Pdf evaluation of different compressor control concepts. 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, ansungshi, kyonggido, south korea. The single swash plate en wobble plate are variable type compressor. Swashplate type axial piston pumps for open circuits in industrial vehicles.
Functional description of regulator load sensing and pressure cutoff 14 pressure cutoff 15 torque limiter 16. 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. The positioning of the yoke can be accomplished by manual operation, servo control or a compressor control and the maximum swash plate angle is usually limited to. K3vls series swash plate type axial piston pump specifications, general descriptions, and features 10 1. Part of theagriculture commons,bioresource and agricultural engineering commons, and the mechanical engineering commons. This paper presents three different control concepts for a swash plate compressor using a builtin control valve. The denso ac compressor range exist of 2 groups, reciprocal type and rotary type compressor.
Oil charge guide compressor make model typeoperation oil capacity ester oil pag oil denso tv14c through vane 120 160ml ogx001 ogx9801. Optimization of oil separator for variable swash plate compressor in the vehicle air conditioning system, taejin lee, bongsub lee, and geonho lee. By varying the angle of the swashplate, the pistons stroke and, therefore, the compressor s cooling capacity can be dynamically adjusted. The swash plate 14 according to the present invention is provided with the surfacetreated layer, i. Refrigerant intake and compression methods are almost the same as those for the fixed displacement swash plate compressor. A helicopter swashplate is a pair of plates, one rotating and one fixed, that are centered on the main rotor shaft. Electronically controlled clutchless or variable drive. Compressormodel overview swash plate piston chamberx6 discharge cavity suction cavity suction valvex6 discharge valvex6 stv in gtsub dcv in gtsub stv dcv outlet pipe. The delphi compressor right uses an adjustable swash plate to change piston displacement. The mechanism of a variable wobble plate compressor the preferred configuration for a piston compressor soon moved to a double acting swashplate design of which the harrison delphi hd6 is typical. Variable displacement ac compressor this electric control valve left includes the pressure sensor in the valve assembly, but the sensor could be mounted anywhere in the system. Internal control type uses pressure valve to regulate compressor displacement. Damper clutch decay diode, thermal fuse, speed sensor high efficiency. Reciprocating type compressors are dual swash plate, singel.
Pdf design methodology and dynamic simulation of fixed. Denso 10p15c swash plate 10 cyl 120 5ml ogx001 ogx9801 denso 10p17c swash plate 10 cyl 100 140ml ogx001 ogx9801. Each piston is exposed to large pressure variations while it turns one revolution including intake and discharge strokes. Compressors of this type are called axial piston compressors. Torque on the cylinder block of an axialpiston swashplate type hydrostatic pump noah denver manring iowa state university follow this and additional works at. Pdf evaluation of different compressor control concepts for a. When the shaft rotates, the swash plate forces a reciprocal. As a result, the swash plate tilts at a maximum angle. Fixed displacement swash plate compressorshigh reliability and preformancelow noise and vibrationcompact and flexible packaging displacement number of cylinders range 175cm rev. A swash plate of a swashplate compressor is subjected to sliding on shoes and is required to have excellent seizure resistance and wear resistance under the dry lubricating condition. The clutchless compressor will reduce swash plate angle to 2% when not activated by.
The compressor under investigation had six cylinders and capacity regulation was made by changing the swash. Swash plate piston pump axial flow variable displacement. A numerical study on the performance of a variable capacity swash plate compressor for an automotive airconditioning system was carried out. Leakage analysis of ecv in variable displacement swash plate type compressor. The swash plate block models a single, pistonactuated swash plate within an axialpiston pump. Fixed swashplate compressor new generation model displacement ccrev length mm diameter mm weight, wclutch kg max speed rpm cooling capacity kw torque n. Contents applications product usage safety precautions handling precautions conversion factors, formula and definition general description and features specifications and features 1. Represent 90% of compressors sold in the hd market. Swashplate type axial piston pumps for open circuits in. Swashplate axial piston pump k3vl b series general descriptions the k3vl series swash plate type axial piston pumps are designed to satisfy the marine, mobile and industrial markets where a mediumhigh pressure variable displacement pump is required. Failure of swashplate compressors in automotive air conditioning systems due to. The pistons operate within the cylinders and are driven by a swash plate.
Advanced design features provide longer compressor life superior design provides operations at low oil circulation rates, providing exceptional performance and durability clutch is designed with more contact area, resulting in higher torque and reduced wear. The fixed swashplate is held between the opposing ends of the double piston by a pair of shoes and two steel balls. The swash plate according to the present invention is provided with the surfacetreated layer, i,e. The primary failure mode of swash plate compressors is scuffing at the. This paper presents three different control concepts for a swash plate compressor using a. Pressure compensator design for a swash plate axial. Oneway swash plate type variable displacement structure. The rotating plate is linked to the rotor head, and the fixed plate is linked to the. Therefore, the decision of the products suitability to the system considered must be.
Swash plate inline hydraulic piston pump hydraulic pump. Engine driven compressor choice between reciprocating and swash plate compressor installation kit incab control box refrigerant v520 hfc r4a 7. Miniature oilless linear compressor for portable oxygen concentrator, hyeongkook lee, haoyi sun, and yeongheon kim. Design and analysis of a swashplate control system for an. 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. International compressor engineering conference school. Zero compressor engine driven reciprocating compressor tk312r number of cylinders. Wobble plate compressors archives tcci manufacturing. The rotating motion of the swash plate makes the pistons move in a reciprocating manner parallel to the shaft. Pdf performance analysis on a variable capacity swash. Olivier derollepot, sanden technical centre europe.
Px compressors are durable at higher speeds, have lower noise vibration harshness nvh, and are variably controlled for maximum environmental benefit. The preferred configuration for a piston compressor soon moved to a double acting swashplate design. 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. There are either 3 pistons with 6 cylinders or 5 pistons with 10 cylinders set with this swash plate. The pistons move back and forth when power from the engine causes the shaft and swash plate to rotate. Dynamics of the swash plate mechanism semantic scholar.
For use in heavyduty truck and vocational vehicles. A study on the variable displacement mechanism of swash. The other components require variousparameters dimensions, stiffnesses, damping etc befitted to experimental data. Opposed axial swash plate compressors figure 1 sanden swash plate compressor these compressors usually contain six or ten pistons. Compressor week continues, swash and wobble plate compressors. 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. The swash plate angle can be changed by pivoting the yoke on pintles. 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.
Hydraulic pump and track motor for hydrostatic transmission. Pdf swash plate compressor is widely used in automotive air conditioning industry for its light weight, small size and compact structure. However, due to special design of vdaapp valve plate, the swash plate. The swashplate model requires geometrical properties.
Preliminary test results indicate that vdaapp prototype works normally and meets the design requirements for flow ratio, and the maximum rise time of the test pressure is about 0. In such a design, the swash plate is mounted in a movable yoke. The mechanism of a variable wobble plate compressor. The moment resulting from all the pistons together shows an almost constant moment to the swash plate. Dropin replacement for your current wobble and swash plate compressors. Swash plate in a singlepiston, isothermal axial piston. Methods for detection of lubrication failure applied to a swash. Evaluation of different compressor control concepts for a swash.
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