Fluid handling – Systems – Multi-way valve unit
Patent
1981-11-12
1983-11-22
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
137DIG8, F15B 13042
Patent
active
044163070
ABSTRACT:
A valve assembly for controlling the delivery of fluid pressure to and from a device to be operated in response to a control pressure. The device to be operated can be activated in one embodiment and deactivated in another enbodiment of the invention by the supply of control pressure with both embodiments of the valve assembly employing a major number of common parts.
REFERENCES:
patent: 3081793 (1963-03-01), Flatt et al.
patent: 3389720 (1968-06-01), Brandenberg
patent: 3542289 (1970-11-01), Ojala et al.
patent: 3794075 (1974-02-01), Stoll et al.
patent: 4213481 (1980-07-01), Benjamin
patent: 4223701 (1980-09-01), Bible et al.
patent: 4327773 (1982-05-01), Detweiler
Michalsky Gerald A.
Schmelzer Corporation
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