Flow regulating valve and fluid feeding apparatus using same

Details Flow regulating valve and fluid feeding apparatus using same Flow regulating valve and fluid feeding apparatus using same

1980-04-29

1982-07-20

Walton, George L.

Chucks or sockets

Vacuum

1375133, 1376142, 138 46, 144278A, 248362, 248363, 251 51, 269 21, 294 64R, 294 65, B23B 3130, F16K 31122

Patent

active

043402348

ABSTRACT:
A flow regulating valve comprising a cylinder and a valve rod telescopically fitted within said cylinder, and a flow passage of small sectional area being formed therebetween so as to control flow of the fluid by adjusting depth of the fitting of the valve rod within the cylinder.
The valve is capable of fine and accurate adjustment of the flow rate over a wider range than in the conventional needle valve regulator. A flow regulating valve capable of controlling flow of one direction and permit rapid flow of the opposite direction is also provided by using a check valve together.
Further, a fluid feeding apparatus which is capable of feeding the fluid for a predetermined time interval is provided, by using such flow regulating valve, and a fast acting vacuum chuck device is provided by using such a fluid feeding apparatus.

REFERENCES:
patent: 1107911 (1914-08-01), Darrow
patent: 2634947 (1953-04-01), Gardner
patent: 3395725 (1968-08-01), Roach
patent: 3540471 (1970-11-01), Churchill
patent: 3603344 (1971-09-01), Stompfli
patent: 3841354 (1974-10-01), McDonnell
patent: 3862738 (1975-01-01), Stumpmeier
patent: 3884061 (1975-05-01), Westby
patent: 3999795 (1976-12-01), Barker
patent: 4149565 (1979-04-01), Jennings et al.
patent: 4190240 (1980-02-01), Peterson

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