Patents for F03C 1 - Reciprocating-piston liquid engines (2,799)
10/2002
10/16/2002EP0797020B1 Brake device for a hydraulic motor
10/10/2002US20020144592 Axial piston machine
10/09/2002CN1092291C Volume control valve of variable displacement hydraulic rotating machine
10/02/2002EP1062426B1 Radial piston engine with guide rollers
09/2002
09/26/2002DE10210325A1 Axial piston machine has inclined plate centered with respect to cylinder block by pipes connected to fluid channels at end near plate and at opposite end to control which cooperates with surface on block
09/26/2002DE10112503A1 Hydro-mechanical drive system has hydraulic fluid passages passing through a planetary gear sun wheel
09/26/2002DE10112501A1 Hydrostatic drive unit with direct drive axial piston engine esp. of swash plate construction with cylinder block incorporated in housing
09/18/2002EP1241352A1 Hydraulic motor or pump with means for rotationally connecting two housing parts
09/18/2002CN1369650A Oblique disk positioning auxiliary mechanism
09/12/2002WO2002070865A1 Rotary hydraulic machine
09/11/2002EP1038102B1 Radial piston motor with friction brake
09/03/2002US6443290 Hydrostatic hub drive
09/03/2002US6443254 Transaxle device
09/03/2002US6443047 Radial piston engine with roller guides
08/2002
08/29/2002DE10138905A1 Hydrostatischer Antrieb Hydrostatic drive
08/27/2002US6439101 Electro-hydraulic servomotor
08/22/2002US20020112474 Replenishing device for a closed circuit
08/22/2002DE10108058A1 Hydrostatischer Drehwerksantrieb Hydrostatic Slewing drive
08/22/2002DE10108006A1 Verfahren zur Überwachung einer Hubkolbenmaschine sowie diesbezügliche Hubkolbenmaschine Method for monitoring a reciprocating engine and related reciprocating piston engine
08/15/2002US20020108489 Hydrostatic axial piston machine
08/14/2002EP1230478A1 Hydraulic radial piston motor
08/08/2002US20020106284 Hydrostatic axial piston machine having a swashplate design
08/08/2002US20020106283 Electronic bore pressure optimization mechanism
08/07/2002EP1229245A1 Exchange device for a closed circuit
08/07/2002CN1088801C Hydraulic motor with brake device
07/2002
07/25/2002WO2002057606A1 Rotary crank-rod mechanism
07/24/2002EP1070203B1 Controlled porting for a pressure transformer
07/11/2002WO2002053907A1 Hydraulic motor device with displacement selector and a braking system.
07/11/2002DE10162460A1 Entnahmekreislauf mit einem Entnahmeventil zum Austausch und/oder Spülen des Gehäuses eines Hydraulikmotors Extraction circuit with an extraction valve for the exchange and / or rinsing of the housing of a hydraulic motor
07/10/2002CN1358257A Combination of chamber and piston pump, motor, shock absorber and transducer incorporating the combination
07/04/2002US20020083705 Tapping circuit including a tapping valve for replenishing and/or flushing the casing of a hydraulic motor
07/02/2002US6413055 Swashplate position assist mechanism
06/2002
06/27/2002WO2002050454A1 Device for detecting failure of hydraulic motor, and hydraulic vehicle
06/25/2002US6408995 Method for flushing the casing of a hydraulic motor
06/25/2002CA2024847C Reduced sized hydraulic motor
06/18/2002US6405835 Hydraulic motor with brake device
06/13/2002US20020069752 Hydrostatic axial piston machine with a swashplate design
06/13/2002US20020069657 Air conditioning systems
06/06/2002WO2002044525A1 Hydraulic device
06/06/2002WO2002044524A1 Hydraulic device as a pump or a motor
06/04/2002US6398527 Reciprocating motor with uni-directional fluid flow
05/2002
05/30/2002WO2002042596A1 Hydraulic cam motor
05/30/2002US20020062732 Hydraulic motor with shift transmission
05/29/2002CN1351691A Reciprocating fluid machines
05/23/2002DE10055262A1 Hydrostatic axial piston machine in inclined disc construction method
05/23/2002DE10055261A1 Hydrostatic axial piston machine in inclined disc construction method
05/21/2002US6389809 Volume control valve of variable displacement hydraulic rotating machine
05/10/2002WO2002036964A1 Fluid machine
05/10/2002WO2002016766A3 Reciprocating motor with unidirectional fluid flow
04/2002
04/23/2002US6374625 Air conditioning systems
04/23/2002US6374602 Control system for a hydraulic transformer having variable pressure input
04/16/2002CA2078142C Two speed gerotor motor with centrally located valve and commutator
03/2002
03/26/2002US6360647 Hydraulic rotating axial piston engine
03/20/2002CN1340664A Pressure medium motor based on current liquid
03/20/2002CN1081293C Swash plate type hydraulic rotating machine and method of manufacturing casing for same
03/19/2002US6358025 Hydraulic rotating axial piston engine
03/19/2002US6357558 Bearing device for supporting a wheel and equipped with braking means
03/07/2002WO2002018782A1 Hydraulic motor
02/2002
02/28/2002WO2002016766A2 Reciprocating motor with unidirectional fluid flow
02/28/2002DE10037927A1 Hydraulic engine comprises block cylinder enclosing driven shaft and containing piston, with spring, valve plate, and valve arrangement.
02/27/2002CN2479239Y Spherical oscillating cylinder type hydraulic motor
02/21/2002US20020020289 Hydrostatic continuously variable transmission
02/19/2002US6347572 Hydraulic motor having radial pistons and a single declutching selector
02/19/2002US6347571 Radial piston motor with friction brake
02/13/2002EP1179140A1 A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination
02/07/2002DE10036197A1 Axial piston machine has equal number of axial pistons located on opposite end sides of casing and during revolution of machine exert forces on inclined reaction components installed on both sides of casing
02/06/2002EP1068091B1 Hydrostatic mechanical drive
01/2002
01/31/2002DE10034857A1 Hydrostatische Axialkolbenmaschine Hydrostatic axial piston engine
01/30/2002EP0995034B1 Device for braking the relative rotation of two elements
01/30/2002EP0995033B1 Hydraulic engine with compact brake
01/23/2002EP1174617A2 Hydrostatic axial piston machine
01/23/2002EP1173677A1 A device comprising a combination of a chamber and a piston
01/17/2002US20020006345 Hydraulically retractable hydraulic motor
01/16/2002EP1171689A1 Reciprocating fluid machines
01/10/2002WO2002002970A1 Hydrostatic transmission
01/08/2002US6336391 Hydraulic rotating axial piston engine
01/08/2002US6336323 Brake for a hydraulic motor
01/01/2002US6334512 Shaftless axial piston motor
12/2001
12/27/2001WO2001098659A1 Hydraulic pump and motor
12/27/2001CA2418775A1 Hydraulic pump and motor
12/19/2001EP0953111B1 Axial piston machine with damping element for the inclined or wobble plate
12/13/2001DE10028825A1 Hydrostatic slewing gear drive for excavators etc. has motor with rotating cylinder block formed integrally with pinion shaft
12/06/2001WO2001092730A1 Hydraulic percussion/pressing device
11/2001
11/20/2001US6318241 Piston for a hydrostatic cylinder block
11/20/2001US6318235 Hydraulic motor cylinder-capacity selector for avoiding jarring when switching from one cylinder capacity to another
11/07/2001EP1151196A1 Reciprocating differential hydraulic machine, especially a differential hydraulic machine
11/06/2001US6312238 Hydraulically retractable hydraulic motor
11/01/2001WO2001081727A1 Piston assembly for a radial piston hydraulic motor
11/01/2001US20010036411 Reversible variable displacement hydraulic pump and motor
10/2001
10/25/2001DE10017844A1 Verfahren zum Durchspülen des Gehäuses eines Hydromotors, Hydromotor, hydraulischer Antrieb und Verwendung desselben The same method for flushing the housing of a hydraulic motor, hydraulic motor, hydraulic drive and use
10/11/2001US20010028193 Method for flushing the casing of a hydraulic motor
10/10/2001CN1316600A Piston for hydraulic cylinder
10/10/2001CN1316594A Piston for hydraulic cylinder
10/04/2001DE10109596A1 Piston for cylinder block of hydrostatic engine unit has cylindrical body with central bore into which insert with spherical end fits, body and insert being welded together and made by die casting from different materials
09/2001
09/25/2001US6293185 Piston for a hydrostatic cylinder block
09/25/2001US6293100 Hydraulic engine with compact brake
09/20/2001DE10109598A1 Piston for cylinder block of hydrostatic motor unit and has elongated cylindrical body with central bore in which is insert having first end terminating in spherical surface
09/19/2001CN1313932A Volume control valve of variable displacement hydraulic rotating machine
09/12/2001CN1071000C Fluid pressure apparatus
09/07/2001WO2001065113A1 Leakage oil return apparatus for a hydraulic motor
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