Flow regulator

Details Flow regulator Flow regulator

1975-10-21

1977-10-04

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

1375145, F16K 3112

Patent

active

040518647

ABSTRACT:
A flow regulator for controlling fluid flow in regulating the operation of a fluid controlled device, such as a fork truck lift mechanism. The regulator provides a damping effect similar to that provided by a fixed orifice while concurrently providing such effect at constant speed so as to maintain the flow rate notwithstanding changes in load conditions. The flow regulator includes an improved flow stabilizing device in association with a sensing orifice structure for improved sensitivity in the response of the flow regulator to changes in pressure. The flow regulator further includes dashpot structure for damping the flow regulator piston movement both inwardly and outwardly in the flow regulating operation of the device.

REFERENCES:
patent: 2224216 (1940-12-01), Coberly
patent: 2807279 (1957-09-01), Presnell
patent: 2845086 (1958-07-01), Waterman et al.
patent: 3130747 (1964-04-01), Benaway
patent: 3155111 (1964-11-01), Presnell
patent: 3170481 (1965-02-01), Presnell
patent: 3424196 (1969-01-01), Donner
patent: 3805824 (1974-04-01), Robbins

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