Global Patent Index - EP 0069462 A2

EP 0069462 A2 19830112 - Hydraulic pump or motor.

Title (en)

Hydraulic pump or motor.

Title (de)

Hydraulische Pumpe oder hydraulischer Motor.

Title (fr)

Pompe ou moteur hydraulique.

Publication

EP 0069462 A2 19830112 (EN)

Application

EP 82302848 A 19820602

Priority

GB 8117701 A 19810609

Abstract (en)

An hydraulic machine which can operate either as a motor or a pump, the machine having a rotor and a stator, one of which is provided with lobed cam track means (16, 17, 18, 107, 108, 109, 400, 500, 604, 605) on which operate a plurality of phased series of piston and cylinder modules (105, 205, 306, 610) to impart relative motion between the rotor and stator. Modular valve means (13, 35, 102, 300, 606) control the supply of hydraulic fluid to each series of pistons.

IPC 1-7

F04B 1/04

IPC 8 full level

F03C 1/04 (2006.01); F03C 1/053 (2006.01); F03C 1/30 (2006.01); F03C 1/32 (2006.01); F03C 1/36 (2006.01); F04B 1/04 (2006.01); F04B 1/047 (2006.01); F04B 1/053 (2006.01)

CPC (source: EP)

F04B 1/0533 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0069462 A2 19830112; EP 0069462 A3 19840627; AU 8465582 A 19831215; CA 1212864 A 19861021; ES 512922 A0 19830601; ES 8306827 A1 19830601; JP S5848784 A 19830322; NO 821909 L 19821210; ZA 823839 B 19830330

DOCDB simple family (application)

EP 82302848 A 19820602; AU 8465582 A 19820608; CA 404686 A 19820608; ES 512922 A 19820608; JP 9994782 A 19820609; NO 821909 A 19820608; ZA 823839 A 19820602