Global Patent Index - EP 0471098 A1

EP 0471098 A1 19920219 - Hydraulic piston apparatus.

Title (en)

Hydraulic piston apparatus.

Title (de)

Flüssigkeitskolbenvorrichtung.

Title (fr)

Dispositif hydraulique à piston.

Publication

EP 0471098 A1 19920219 (EN)

Application

EP 90115518 A 19900813

Priority

  • EP 90115518 A 19900813
  • US 96951592 A 19921030

Abstract (en)

A hydraulic piston apparatus has an eccentric shaft (C), a rotor (R) having the eccentric shaft (C) eccentrically disposed therein, a plurality of pistons (P) radially disposed within the rotor (R), heads of the pistons being normally contacted with the outer periphery of the eccentric shaft (C), and working liquid current straightening means disposed in such a manner as to contact with a working liquid inlet and outlet port of each of the pistons. <IMAGE>

IPC 1-7

F04B 1/04; F04B 1/06; F04B 1/10; F04B 1/12

IPC 8 full level

F04B 1/00 (2006.01); F04B 1/053 (2006.01); F04B 1/06 (2006.01); F04B 1/107 (2006.01); F04B 1/113 (2006.01); F04B 1/12 (2006.01); F04B 49/10 (2006.01)

CPC (source: EP US)

F04B 1/00 (2013.01 - EP US); F04B 1/053 (2013.01 - EP); F04B 1/066 (2013.01 - EP US); F04B 1/1071 (2013.01 - EP US); F04B 1/1133 (2013.01 - EP US); F04B 1/12 (2013.01 - EP); F04B 49/103 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0471098 A1 19920219

DOCDB simple family (application)

EP 90115518 A 19900813