Global Patent Index - EP 0053323 B1

EP 0053323 B1 19860416 - HYDROSTATIC TRANSMISSION SYSTEM WITH A VARIABLE PUMP AND SEVERAL ACTUATORS

Title (en)

HYDROSTATIC TRANSMISSION SYSTEM WITH A VARIABLE PUMP AND SEVERAL ACTUATORS

Publication

EP 0053323 B1 19860416 (DE)

Application

EP 81109744 A 19811117

Priority

DE 3044144 A 19801124

Abstract (en)

[origin: ES8300394A1] A hydrostatic drive system with an adjustable pump is provided with branch lines from a main delivery line to several consumers, an arbitrarily actuatable switch in each branch line, an adjustable parallel connecting restrictor in each branch line with an adjusting element loaded on one side by pressure from either the main delivery line or the branch line and on the other side by a spring and control pressure and a source of common control pressure furnishing the control pressure to the adjusting element through a check valve.

IPC 1-7

F15B 11/16

IPC 8 full level

E02F 9/22 (2006.01); F15B 11/00 (2006.01); F15B 11/028 (2006.01); F15B 11/16 (2006.01); F15B 11/17 (2006.01); F16H 61/40 (2010.01); F16H 61/4035 (2010.01); F16H 61/4078 (2010.01); F16H 61/4148 (2010.01); F16H 61/4183 (2010.01); F16H 61/448 (2010.01); F16H 61/452 (2010.01)

CPC (source: EP US)

E02F 9/2225 (2013.01 - EP US); E02F 9/2232 (2013.01 - EP US); F15B 11/028 (2013.01 - EP US); F15B 11/16 (2013.01 - EP US); F15B 2211/20523 (2013.01 - EP US); F15B 2211/20553 (2013.01 - EP US); F15B 2211/20576 (2013.01 - EP US); F15B 2211/30505 (2013.01 - EP US); F15B 2211/30535 (2013.01 - EP US); F15B 2211/3057 (2013.01 - EP US); F15B 2211/329 (2013.01 - EP US); F15B 2211/351 (2013.01 - EP US); F15B 2211/40546 (2013.01 - EP US); F15B 2211/50518 (2013.01 - EP US); F15B 2211/50536 (2013.01 - EP US); F15B 2211/50545 (2013.01 - EP US); F15B 2211/5151 (2013.01 - EP US); F15B 2211/5153 (2013.01 - EP US); F15B 2211/528 (2013.01 - EP US); F15B 2211/55 (2013.01 - EP US); F15B 2211/6054 (2013.01 - EP US); F15B 2211/6055 (2013.01 - EP US); F15B 2211/6058 (2013.01 - EP US); F15B 2211/615 (2013.01 - EP US); F15B 2211/6355 (2013.01 - EP US); F15B 2211/7053 (2013.01 - EP US); F15B 2211/7058 (2013.01 - EP US); F15B 2211/71 (2013.01 - EP US); F15B 2211/76 (2013.01 - EP US)

Designated contracting state (EPC)

FR GB IT SE

DOCDB simple family (publication)

EP 0053323 A1 19820609; EP 0053323 B1 19860416; CS 238619 B2 19851216; DE 3044144 A1 19820909; ES 507204 A0 19821101; ES 8300394 A1 19821101; FI 70075 B 19860131; FI 70075 C 19860912; FI 813748 L 19820525; JP H0249405 B2 19901030; JP S57116965 A 19820721; PL 139197 B1 19861231; PL 233434 A1 19820802; US 4425759 A 19840117; YU 267581 A 19840229

DOCDB simple family (application)

EP 81109744 A 19811117; CS 859081 A 19811123; DE 3044144 A 19801124; ES 507204 A 19811117; FI 813748 A 19811124; JP 18707481 A 19811124; PL 23343481 A 19811014; US 32440881 A 19811124; YU 267581 A 19811112