Pressure controlling valve to be attached to a base-mounted chan

Details Pressure controlling valve to be attached to a base-mounted chan Pressure controlling valve to be attached to a base-mounted chan

1997-10-22

2000-01-11

Michalsky, Gerald A.

Fluid handling

Systems

With flow control means for branched passages

1371165, 137596, F15B 13043, G05D 1610

Patent

active

060124903

ABSTRACT:
Pressure controlling valve mounted in such a manner as to be directly inserted between a change valve and a base and which has a valve body which is substantially equal to the change valve in width. In the valve body, there are provided a plurality of communication channels that communicate the corresponding ports of the change valve and base, a pressure control valve port that crosses those channels, a pressure control valve stem inserted in the port, and a controlling mechanism which are under a set pressure in cooperative action with the stem. The channels to guide pressure fluid for controlling pressure include a lead port inside the pressure controlling valve step and a lead clearance in the outer region of pressure controlling valve stem.

REFERENCES:
patent: 3513876 (1970-05-01), Tarbox
patent: 4267862 (1981-05-01), Neff et al.
patent: 4453565 (1984-06-01), Neff
patent: 4770210 (1988-09-01), Neff et al.
Patent Abstracts of Japan, vol. 97, No. 8, Aug. 29, 1997, JP 9-100922, Apr. 15, 1997.
Patent Abstracts of Japan, vol. 97, No. 1, Jan. 31, 1997, JP 8-247320, Sep. 27, 1996.
Patent Abstracts of Japan, vol. 4, No. 105 (M-023), Jul. 26, 1980, JP 55-063065, May 12, 1980.
Patent Abstracts of Japan, vol. 4, No. 164 (M-041), Nov. 14, 1980, JP 55-112461, Aug. 30, 1980.

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