The main rotating group is the same as in the goldcup hydrostatic transmissions that have been in service for more than 24 years. Series 90 variable displacement pumps are compact, high power density units. The lpv pumps provide an infinitely variable speed range between zero and maximum in both forward and reverse modes of operation. Displacement control in variable displacement axial piston swashplate type pumps conference paper pdf available may 2011 with 1,121 reads how we measure reads. The parker vp1 pump can be closecoupled to a gearbox pto power takeoff or to a coupling independent pto e. Pc3 variable displacement axial piston pump product animation duration. Axial piston variable pump a4vso series 1x and 3x hydraulic fluids 5 hydraulic fluids the a4vso, a4vslo variable pump is designed for operation with hlp mineral oil according to din 51524. Changing the swivel angle changes the piston stroke, thus allowing variable displacement. Recovering the potential energy is an efficient way to improve the hydraulic system efficiency.
Ifp a10vso variable axial piston pumps available sizes. The t90 system was developed using advanced technology based on decades of experience. Axial piston variable pump a7vo series 63 shaft seal ring 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which in turn increases the service life of the axial piston unit. Application instructions and requirements for hydraulic fluids should be taken from the following data sheets before the start of project planning. An axial piston pump has a number of pistons usually an odd number arranged in a circular array within a housing which is commonly referred to as a cylinder block, rotor or barrel. This cylinder block is driven to rotate about its axis of symmetry by an integral shaft that is, more or less, aligned with the pumping pistons usually parallel but not necessarily. Variable displacement motors are available with two position hydraulic controls, two position electric control and proportional electric control. Variable displacement axial piston pumps swash plate design ideally suited for open circuit truck applications. Controls can also be customized where particular strategies are required. Pressure rated to 300 bar 4350 psi these robust units are ideal for your compact. Axial piston variable pump a4vg data sheet series 32 size 28 to 250 nominal pressure 400 bar maximum pressure 450 bar closed circuit features variable axial piston pump of swashplate design for hydrostatic drives in closed circuit. Axial piston motors can be fixed or variable displacement. A cleanliness level of at least 201815 is to be maintained according to iso 4406. The displacement is continuously variable e\ phdqv ri d wlowlqj vzdvk sodwh dqg wkh rlo arz gluhfwlrq lv reversible.
Rexroth axial piston variable pump rexroth a a10vso 100 pump. Axial piston pumps variable displacement, mechanical controls pvpc variable displacement axial piston pumps with swash plate design suited for high pressure open circuits. Pc3 variable displacement axial piston pump product. Variable displacement models can closely match pressure andor flow. A variabledisplacement axialpiston pump enables high pressure, high horsepower precision control in a compact package in an axialpiston pump, the pistons and cylinder rotate around the center, longitudinal axis. High pressure pump for applications in closed circuits. The axial piston has been designed based on bestinclass technologies, leading to higher efficiency. Variable displacement axial piston pumps, pto pump. Over the years, we have been committed to the production and research of rexroth a10vso series 31 axial piston variable pump. The flow is proportional to the drive speed and displacement. Eaton pvh variable displacement piston pumps vickers product line. Reversing the angle of the swashplate reverses the flow of oil from the pump and thus reverses the direction of rotation of the.
All models use the parallel axial pistonslipper concept in conjunction with a tiltable swashplate to vary the pumps displacement. All models use the parallel axial piston slipper concept in conjunction with a tiltable swashplate to vary the pump s displacement. Axial piston variable pump a4vso data sheet series 10, 11 and 30 size 40. Both fixed and variable displacement models make up this range of axial piston pumps. With fast control response and superior performance, the pvg is a variabledisplacement axialpiston pump designed to take on your most demanding applications. Axial piston variable pump a18vo series 11 re 92270 issue. The compact design allows to be mounted directly on the ptos. Potential energy recovery scheme with variable displacement. Axial piston variable double pump a24vg data sheet series 10 size 045045 065045 065065 nominal pressure 450 bar maximum pressure 500 bar closed circuit features variable double pump with two axial piston rotary groups of swashplate design for hydrostatic drives in closed circuit the flow is proportional to the drive speed and. Axial piston pump a10so, variable, in swash plate design for hydrostatic transmissions in open loop circuit flow is proportional to drive speed and displacement.
Axial piston unit 02 swash plate design, variable a4vs boost pump impeller 03 without boost pump no coden with boost pump impeller only with port plate 25 service port connections l type of operation 04 pump, open circuit o size 40 71 125 180 250 355 500 750 05 displacement v g max cm3 40 71 125 180 250. Allpurpose high pressure pump with through drive,size,40,60,75,95,145,190,260,nominal pressure,350 bar,5100 psi,nominal pressure up to,350 bar,5100 psi,maximum. Axial piston unit compact unit, swashplate design, variable type of operation pump, closed circuit operation size displacement v g max cm3 250 355 500 750 control and adjustment devices manual adjustment ma ma electric motor adjustment em em hydr. In addition pumps with seal option w and p, all pumps pv140 pv360 and pumps with xmodification x5830 bearing flushing port are equipped with a flushing port for front bearing and shaft seal. Choose parkers pvplus open circuit, variable displacement axial piston pump, ideal for heavy duty industrial and marine applications, providing operating pressures of. It offers highpressure, superior performance in a compact design while thriving on lowviscosity fluids. An axial piston pump is a positive displacement pump that has a number of pistons in a circular array within a cylinder block.
Variable displacement axial piston pumps swash plate design ideally suited for medium and high pressure open circuit applications. Choose parkers pvplus open circuit, variable displacement axial piston pump, ideal for heavy duty industrial and marine applications, providing operating pressures of up to 420 bar, high productivity and power density. This leads to an optimized and reliable performance, allowing for predictable and safe machine. Axial piston unit 18 28 45 71 100 140 02 swashplate design, variable aa10vs operating mode 03 pump, open circuit o size 04 displacement v g max in in 1. Axial piston variable pump a10vo series 31 axial piston variable pump a10vso series 31 this documentation is intended for machinesystem manufacturers, fitters and service technicians. All motors are iotready and can be fitted with appropriate sensors. The axial piston pump type v60n is designed for open circuits in mobile.
A variable displacement axial piston pump enables high pressure, high horsepower precision control in a compact package. The axial piston pump type v30d is designed for open circuits in industrial. As a result they vary the ow rate that is provided to the consumers. In an axial piston pump, the pistons and cylinder rotate around the center, longitudinal axis. Axial piston variable pump a10vso series 31 hydraulic fluids 5 filtration of the hydraulic fluid finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit. The compact design allows to be mounted directly on engine motors. It can be used as a standalone pump, a hydraulic motor or an automotive air conditioning compressor. Hydraulictraining axial piston units basic principles. They are characterized by low noise emission, short response time and flexible operation thanks to the wilde range of mechanical controls, see section. Pc3 variable displacement axial piston pump product animation. Fixed displacement models are noted for their volumetric and mechanical efficiencies. The a7vo is a variable pump with axial tapered piston rotary group in bentaxis design for hydrostatic drives in open circuits.
This documentation contains important information on the safe and appropriate transport, installation, commissioning, operation, maintenance, removal and. Lpv pumps provide an infinitely variable speed range between zero and maximum in both forward and reverse modes of operation. Pdf displacement control in variable displacement axial. New variable pump with axial tapered piston rotary group of bent axis design, for hydrostatic rexrtoh in open circuit series. The pistons and shoes move in and out of the cylinder because they are sliding upon a stationary, variable angle, swashblock. All models utilize the parallel axial piston slipper concept in conjunction with a tiltable swashplate to vary the pump s displacement. Eaton pvh variable displacement piston pumps vickers. All models utilize the parallel axial pistonslipper concept in conjunction with a tiltable swashplate to vary the pumps displacement. Axial piston variable motor a6vm data sheet features variable motor with axial tapered piston rotary group of bentaxis design, for hydrostatic drives in open and closed circuits for use in mobile and stationary applications the wide control range enables the variable motor to satisfy the requirement for high speed and high torque.
Pistonlu tip hidrolik pompa variable displacement piston pump. Md10v 1418 series is a family of variable displacement axial piston pumps for use in closed circuits with housing and distributor cover in aluminium. Parker hydraulic variable displacement truck pump series vp1 is an axial piston pump featuring high selfpriming speed and high efficiency and is one of the leading truck pumps in the market. Pvh high flow, high performance pumps are a family of variable displacement, inline piston units that incorporate the proven design, quality manufacturing techniques and operating features of other vickers piston pumps, but in a smaller. In this article, theoretical analysis, simulation calculation, and experimental verification were used to study the energy recovery efficiency of a differential cylinder system controlled by variable displacement asymmetric axial piston pump. We not only provide high quality machinery and accessories for sale on the market, we also care about customers profits and the impact of machinery on the environment. Their high performance ratings and efficiencies are achieved with a variety of hydraulic fluids.
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