| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
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| 03/02/2005 | EP1427935B1 Hybrid control method for fuel pump using intermittent recirculation at low and high engine speeds |
| 03/02/2005 | CN1587698A Hydraulic transformer of broad voltage regulation range |
| 03/02/2005 | CN1587697A Diaphragm type high pressure plunger pump |
| 03/02/2005 | CN1587671A Circular plunger type high pressure oil pump |
| 03/01/2005 | US6860255 Fuel pump and direct fuel injection engine |
| 02/27/2005 | CA2479174A1 Pump valve assembly |
| 02/24/2005 | WO2005017343A1 Fuel injection pump |
| 02/24/2005 | DE19706994B4 Schrägscheiben-Axialpumpe mit Schmiermechanismus und Ventilplatte Swash plate type axial pump with lubrication mechanism and valve plate |
| 02/24/2005 | DE10220610B4 Kolbenmaschine oder Drehgleitlagerung Piston engine or swivel slide bearing |
| 02/23/2005 | EP1508694A1 Hydraulic Device |
| 02/23/2005 | EP1508693A2 Multi layer sliding part and a method for its manufacture |
| 02/23/2005 | EP1508361A1 A pressure exchanger |
| 02/23/2005 | EP1507976A1 A pump unit for emulsifying air into a product in particular for ice cream production |
| 02/23/2005 | CN1190588C Axial piston machine |
| 02/17/2005 | WO2005015017A1 High pressure pump for a fuel injection device of a combustion engine |
| 02/17/2005 | WO2005014324A2 Opposing pump/motors |
| 02/17/2005 | DE19842029B4 Verstellung von hydrostatischen Axialkolbenmaschinen mittels Schrittmotor Adjustment of hydrostatic axial piston by means of stepper motor |
| 02/17/2005 | CA2532158A1 Opposing pump/motors |
| 02/16/2005 | EP1506349A1 Radial piston pump for a fuel injection system having improved high-pressure resistance |
| 02/16/2005 | CN1580551A Piston-dislocation type reciprocating pump |
| 02/15/2005 | US6854377 Variable stroke balancing |
| 02/15/2005 | US6854269 Noise attenuation in a hydraulic circuit |
| 02/10/2005 | US20050031478 Pump, especially for a fuel injection device for an internal combustion engine |
| 02/09/2005 | EP1504191A1 Regulating device for hydrostatic piston machines |
| 02/09/2005 | CN1576648A Bent axis hydrostatic module with multiple yokes |
| 02/09/2005 | CN1576583A Pump control override for tandem pumps |
| 02/09/2005 | CN1576579A Hydraulic axial piston pump |
| 02/09/2005 | CN1576578A Swashplate holddown and adjustable centering mechanism |
| 02/03/2005 | US20050023205 Pump for liquid chromatography |
| 02/03/2005 | DE10332361A1 High-pressure pump for fuel injection system of diesel engine, is working injector according to the Unit-Injector-System, and has pressure piece formed as ball pin with the ball-shaped end face in the injector |
| 02/03/2005 | DE10330757A1 Exzentertriebwerk für volumetrisch wirkende Pumpen oder Motoren Exzentertriebwerk for volumetrically acting pumps or motors |
| 02/03/2005 | DE102004030046A1 Hydrostatisches Schrägachsenmodul mit mehreren Jochen Hydrostatic oblique axis module with multiple yokes |
| 02/02/2005 | EP1299644B1 Hydraulic transformer |
| 02/02/2005 | EP1090230B1 Piston pump |
| 02/02/2005 | CN1187531C Hydraulic transformer |
| 02/01/2005 | US6848890 Pump assembly |
| 02/01/2005 | US6848888 Sensor for a variable displacement pump |
| 02/01/2005 | US6848429 Fuel injection pump |
| 01/27/2005 | US20050019171 Hydraulic device |
| 01/27/2005 | US20050019161 Rotary fluid machine |
| 01/27/2005 | US20050017573 Hydraulic device |
| 01/27/2005 | US20050016801 Selectively cold worked hydraulic motor/pump shoe |
| 01/27/2005 | DE10339278B3 Radial piston pump for fuel injection system has tightening force applied by bracket to region of cylinder head |
| 01/27/2005 | DE10331191A1 Electrohydraulic pump unit for especially industrial truck has pump installed in fluid sealed non-rotating pump housing installed radially inside rotor of electric motor in end face axial recess |
| 01/26/2005 | EP1500785A1 Swashplate holddown and adjustable centering mechanism |
| 01/26/2005 | EP0932760B1 Securing device for a piston of a radial piston pump |
| 01/26/2005 | CN1186528C Bent shaft type hydraulic pump and single piece vibration seat type stroke adjusting device for variable motor |
| 01/25/2005 | US6846165 Hydrostatic machine |
| 01/25/2005 | US6846164 Multi-cylinder compressor having plural intake ports in a bearing plate and a cover member forming a sealed space over the bearing plate |
| 01/20/2005 | WO2004099615B1 Radial piston pump |
| 01/19/2005 | EP1430224B1 Connecting element for connecting a piston to a restoring element |
| 01/19/2005 | EP1027538B1 Piston pump |
| 01/19/2005 | CN2672386Y Engine plunger oil transport pump |
| 01/19/2005 | CN2672321Y Super high pressure radial plunger pump without outer casing |
| 01/18/2005 | US6843641 Radial piston pump |
| 01/18/2005 | US6843162 Radial piston engine |
| 01/18/2005 | US6843056 Zero turn transaxle |
| 01/13/2005 | WO2005003558A1 Eccentric drive mechanism for volumetric pumps or motors |
| 01/13/2005 | US20050008506 Hydraulic axial piston pump |
| 01/13/2005 | US20050008498 Pump control override for tandem pumps |
| 01/13/2005 | US20050005763 Piston assembly |
| 01/13/2005 | DE10328462A1 Torque transmission device e.g. for high speed electric pump, has one of two connections between connecting element and one of two component parts made radially elastically displaceable |
| 01/12/2005 | EP1496256A2 Pump control override for tandem pumps |
| 01/12/2005 | EP1496252A2 Hydraulic axial piston pump |
| 01/12/2005 | EP1495226A1 Variable stroke/clearance mechanism |
| 01/12/2005 | CN1563717A Separating cylinder plunger pump of high pressure cleaner |
| 01/12/2005 | CN1184423C Hydraulic equipment possessing at least one extrusion type machoine, in particular, radial plunger machine (pump or motor) |
| 01/11/2005 | US6840696 Method for producing a ball-and-socket joint between a slipper and a piston, and a ball-and-socket joint of this type |
| 01/06/2005 | US20050002809 Plunger pump |
| 01/05/2005 | DE10347086A1 Axialkolbenmaschine mit versetztem Positionierelement und Steuerscheibe für eine solche Axialkolbenmaschine Axial piston with offset positioning and control disk for such axial piston |
| 01/05/2005 | DE10325842A1 Reversierbare Axialkolbenmaschine mit Längsverstellung Reversible axial piston machine with longitudinal adjustment |
| 01/04/2005 | US6837694 Hydraulic pump unit with orifice plate for vehicle brake control system |
| 01/04/2005 | US6837218 Radial piston pump |
| 01/04/2005 | US6837142 Clamping cruise control system |
| 01/04/2005 | US6837046 Control device for a proportionally adjustable hydraulic pump and a variable displacement pump for a hydrostatic drive |
| 12/30/2004 | US20040262066 Bent axis hydrostatic unit with multiple yokes |
| 12/30/2004 | DE10326880A1 Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung bei Kraftstoffeinspritzsystemen von Brennkraftmaschinen Radial piston pump for high pressure fuel generation in fuel injection systems of internal combustion engines |
| 12/30/2004 | DE10326879A1 Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung bei Kraftstoffeinspritzsystemen von Brennkraftmaschinen Radial piston pump for high pressure fuel generation in fuel injection systems of internal combustion engines |
| 12/30/2004 | DE10326863A1 Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung bei Kraftstoffeinspritzsystemen von Brennkraftmaschinen Radial piston pump for high pressure fuel generation in fuel injection systems of internal combustion engines |
| 12/29/2004 | EP1101035B1 Piston pump |
| 12/29/2004 | CN2667194Y Internal controlling electric hydraulic ratio variable quantity axial plunger pump |
| 12/29/2004 | CN2667193Y Low-friction-wear pure water hydraulic axial plunger pump or motor |
| 12/28/2004 | US6835053 Check valve |
| 12/28/2004 | US6834575 Piston assembly for a radial piston hydraulic motor |
| 12/23/2004 | WO2004111450A1 Radial piston pump for providing high pressure fuel in fuel injection systems of internal combustion engines |
| 12/23/2004 | WO2004111449A1 Radial piston pump for generating high fuel pressure in fuel injection systems of internal combustion engines |
| 12/23/2004 | WO2004111435A1 Radial piston pump for generating high pressure for fuel in fuel injection systems of combustion engines |
| 12/23/2004 | US20040258547 Pump piston and/or elements sealing the pump piston, in particular a sealing ring of elastomeric material, and a device and method for coating an object of elastomeric material |
| 12/23/2004 | US20040255773 Rotary radial piston machine |
| 12/23/2004 | DE20313014U1 Hochdruckpumpe für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine High pressure pump for a fuel injection system of an internal combustion engine |
| 12/23/2004 | DE10324303A1 Plug closure for aperture in automotive high-pressure fuel injection pump housing has threaded neck and smooth inner bore |
| 12/22/2004 | EP1489302A1 Variable capacity low pressure hydraulic pump, e.g. for a hydraulic driven bicycle |
| 12/22/2004 | EP1489301A1 Drive arrangement for a pump |
| 12/22/2004 | EP1230481B1 Radial piston pump |
| 12/22/2004 | EP1030058B1 Hydraulic pump |
| 12/22/2004 | CN1181268C Piston for hydraulic cylinder |
| 12/16/2004 | WO2004109107A1 Axial piston machine with offset positioning element and cam disk for such an axial piston machine |
| 12/16/2004 | WO2004109093A1 Check valve, especially for a high pressure pump of a fuel injection device for an internal combustion engine |
| 12/16/2004 | WO2004109060A1 Longitudinally adjustable reversible axial piston machine |
| 12/16/2004 | US20040253123 Integrated electrostatic peristaltic pump method and apparatus |