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US5261451: Pneumatic multiplexer


Filing Information

Inventor(s) William R. Spencer ·
Assignee(s) General Electric Company ·
Attorney/Agent(s) Bernard E. Shay ·
Primary Examiner John Rivell ·
Application Number US7924433
Filing date 07/31/1992
Issue date 11/16/1993
Predicted expiration date 05/02/2011
U.S. Classifications 137/554  · 137/551  ·
International Classifications F16K 3700  ·
Kind CodeA
International Classifications 137625.11;625.21;625.23;554;551 ·
Related U.S. Application DataThis application is a continuation of application Ser. No. 07/694,580, filed May 2, 1991, now abandoned.
5 Claims, No Drawings


A pneumatic multiplexer including a stator portion adapted to receive multiple inputs. The stator including a plurality of channels therethrough adapted to channel compressible fluid from the inputs to a stator face. The stator portion including arc grooves therein at each of the stator output holes and pressure relief grooves between the arc grooves.

Independent Claims | See all claims (5)

  1. 1. A pneumatic multiplexer comprising:a stator including a stator face and a plurality of input ports;a rotor including a first rotor face, a reverse rotor face and a rotor channel extending therebetween;a rotor housing fixedly connected to said stator and enclosing said rotor;a central tube situated in said rotor housing and being in flow communication with said rotor channel;means for driving said rotor at a continuious angular velocity relative to said stator; anda plurality of arc grooves in said stator face each being in flow communication with one of said input ports and each sequentially being in flow communication with said rotor channel.

References Cited

U.S. Patent Documents

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US2675830 FOND DEBARD Vuillemin Apr 1954
US2878786 FOND DEBARD Vuillemin Mar 1959
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US3253616 EXXON RESEARCH ENGINEERING CO McCorkle et al. May 1966
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Foreign Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
DE3234649STUMPP & KURZMar 1904

Patent Family

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