EP 0233485 B1 19900613 - GEAR MOTOR
Title (en)
GEAR MOTOR
Publication
Application
Priority
DE 3605176 A 19860219
Abstract (en)
[origin: EP0233485A2] 1. Gear motor with two gearwheels which mesh in external engagement with one another and which are preferably mounted in approximately spectacle-shaped bearing bodies, and with at least one sealing plate (24) which is arranged between the gearwheels and the adjacent bearing bodies or covers of the housing and which is pressed sealingly against the gearwheel side faces by fluid pressure, characterized in that there act on the sealing plate (24) constantly an approximately arcuate first pressure zone (26) located on the high-pressure side and intermittently a second pressure zone (27) which is arranged radially within the first zone and which, for the purpose of controlling the speed of the machine, can be loaded or relieved by means of an electromagnetically actuable switch valve (31) timed by pulse-length modulation.
IPC 1-7
IPC 8 full level
F04C 14/26 (2006.01); F04C 15/00 (2006.01)
CPC (source: EP)
F04C 14/265 (2013.01); F04C 15/0026 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0233485 A2 19870826; EP 0233485 A3 19880914; EP 0233485 B1 19900613; DE 3605176 A1 19870820; DE 3763224 D1 19900719
DOCDB simple family (application)
EP 87100630 A 19870119; DE 3605176 A 19860219; DE 3763224 T 19870119