Motors: expansible chamber type – Plural relatively movable or rigidly interconnected working... – With means to control the working fluid to one working...
Patent
1987-08-27
1989-01-24
Michalsky, Gerald A.
Motors: expansible chamber type
Plural relatively movable or rigidly interconnected working...
With means to control the working fluid to one working...
91446, 91461, 1375961, 13759613, 13759614, 1376256, F15B 1308
Patent
active
047994207
ABSTRACT:
A load responsive control system using on a selective basis the energy derived from a negative type load for operation of system controllers, which may be of various types, including electro-hydraulic multi-stage controls, for use in positioning of the main control spools and in control of other system components.
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patent: 4679492 (1987-07-01), Budzich
patent: 4688470 (1987-08-01), Budzich
patent: 4694731 (1987-09-01), Budzich
Burrows J. W.
Caterpillar Inc.
Michalsky Gerald A.
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