Pressure reducer

Details Pressure reducer Pressure reducer

2005-08-23

2005-08-23

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

C137S454600, C137S505180, C251S096000, C251S296000

Reexamination Certificate

active

06932108

ABSTRACT:
A pressure reducer has a housing with inlet and outlet sockets, a partition between said inlet and outlet sockets, and an accommodation socket. The partition defines an aperture aligned with the accommodation socket. A pressure reducer insert is inserted into the accommodation socket and the aperture. The pressure reducer insert has a tapering, funnel-like insert housing, a valve seat, and webs for connecting the insert housing with a valve seat sealingly mounted in the aperture. A regulating diaphragm closes the open end to define a controlled pressure chamber which communicates with an outlet chamber. A cap encloses a biased helical spring and a bias setting threaded spindle rotatably mounted in the cap. A setting knob is axially movable between a first position non-rotatably coupled with the cap, and a second position rotatable relative to the cap where rotation of the knob rotates the bias setting spindle and adjusts the pressure setting.

REFERENCES:
patent: 3392749 (1968-07-01), Gneiding et al.
patent: 4760862 (1988-08-01), Mutou et al.
patent: 5358004 (1994-10-01), Atkinson et al.
patent: 5771921 (1998-06-01), Johnson
patent: 5899439 (1999-05-01), Gottwald et al.
patent: 5960818 (1999-10-01), Hecking
patent: 0650109 (1994-10-01), None
patent: 0681126 (1995-04-01), None

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