Motors: expansible chamber type – Working member position feedback to motive fluid control – Electrical input and feedback signal means
Patent
1993-08-10
1994-04-26
Look, Edward K.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Electrical input and feedback signal means
60427, 60463, 60462, F15H 1316
Patent
active
053056817
ABSTRACT:
An apparatus for controllably actuating a hydraulic actuator is provided. The apparatus is connected between a source of pressurized hydraulic fluid and the hydraulic actuator. The apparatus controllably provides pressurized hydraulic fluid to the hydraulic actuator. The apparatus includes a controller for receiving an operating signal and a load pressure signal and responsively actuating the hydraulic actuator.
REFERENCES:
patent: 3821625 (1974-06-01), Scholl
patent: 4164167 (1979-08-01), Imai et al.
patent: 4523892 (1985-06-01), Mitchell et al.
patent: 4531366 (1985-07-01), Moriya et al.
patent: 4534707 (1985-08-01), Mitchell
patent: 4643074 (1987-02-01), Gunda et al.
patent: 4644749 (1987-02-01), Somes
patent: 4712376 (1987-12-01), Handank
patent: 4712470 (1987-12-01), Schmitz
patent: 4718329 (1988-01-01), Nakajima et al.
patent: 4759183 (1988-07-01), Kreth et al.
patent: 4811561 (1989-03-01), Edwards et al.
patent: 4884402 (1989-12-01), Strenzke et al.
patent: 4970941 (1990-11-01), Reinhardt
patent: 5012722 (1991-05-01), McCormick
patent: 5044608 (1991-09-01), Hidaka et al.
patent: 5074194 (1991-12-01), Hirata et al.
patent: 5079492 (1992-01-01), Takagi
patent: 5138838 (1992-08-01), Crosser
patent: 5230272 (1993-07-01), Schmitz
Devier Lonnie J.
Krone John J.
Lukich Michael S.
Lunzman Stephen V.
Marsden Howard A.
Caterpillar Inc.
Look Edward K.
Lopez F. Daniel
Yee James R.
LandOfFree
Hydraulic control apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydraulic control apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic control apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1705201