Inline control valve for controlling fluid flow

Details Inline control valve for controlling fluid flow Inline control valve for controlling fluid flow

1993-12-15

1995-07-25

Michalsky, Gerald A.

Fluid handling

Larner-johnson type valves; i.e., telescoping internal valve...

Line condition change responsive

137219, 137540, 137556, 137557, F16K 1704, F16K 3700

Patent

active

054353378

ABSTRACT:
An inline control valve (10-10F) having a fixed diverter member or plug (34-34F) positioned centrally of the flow passage (30-30F) and a sleeve (40-40F) mounted for movement between open and closed position relating to the plug (34-34F). One embodiment (FIGS. 2-4) includes a solenoid (72) for moving the sleeve (40) to an open position. A radially expandable metal seat ring (50) shown carried by the sleeve (40) in FIG. 4 seals against the plug (34) by radial expansion of the seat ring (50) relative to the sleeve (40). Another embodiment shown in FIGS. 5 and 6 includes a separate source of pressurized fluid (72A) for movement of the sleeve (40A) to an open position. The inline control valve (10F) is utilized in the embodiment of FIGS. 11-14 in combination with an indicator member (47F) to indicate an excessive fluid pressure.

REFERENCES:
patent: 1477722 (1923-12-01), Slattery
patent: 2996074 (1961-08-01), Page et al.
patent: 3199523 (1965-08-01), McEathron
patent: 3203246 (1965-08-01), Horwitt et al.
patent: 3253608 (1966-05-01), Davis
patent: 3844310 (1974-10-01), Brindisi
patent: 4077425 (1978-03-01), Drori
patent: 4116212 (1978-09-01), Cooper
patent: 4168723 (1979-09-01), Schneider
patent: 4416301 (1983-11-01), Brumm

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