Fluid-operated valve

• US 3,291,440 A
• Filed: 06/01/1964
• Issued: 12/13/1966
• Est. Priority Date: 06/01/1964
• Status: Expired due to Term

• Current Assignee: Archer, Farley J., Charles R. Archer
• Original Assignee: Archer, Farley J., Charles R. Archer
• Inventors: Archer, Farley J., Archer, Charles R.
• Application Number:
  US04/371,696
• Time in Patent Office: 925 Days
• US Class Current: 251/61.5
• CPC Class Codes: G05D 16/0622 characterised by the form of the obturator

Claims

1. A VALVE COMPRISING:

(A) A TUBULAR BODY MEMBER HAVING AN AXIALLY OPENING VALVE SEAT FORMED THEREIN, (B) A VALVE PLUNGER CARRIED FOR AXIAL MOVEMENT IN SAID BODY MEMBER TO AND FROM SAID SEAT TO CLOSE AND OPEN SAID VALVE, (C) A HOUSING SURROUNDING SAID BODY MEMBER AND INCLUDING A PAIR OF SPACED APART END WALLS EXTENDING OUTWARDLY FROM SAID MEMBER AND AFFIXED THERETO, (D) ROD CARRIED BY SAID PLUNGER AND EXTENDING LATERALLY THEREFROM THROUGHT AN APERTURE OF SAID BODY MEMBER INTO SAID HOUSING INTERMEDIATE SAID END WALLS THEREOF, (C) MEANS SEALING SAID BODY MEMBER APERTURE AROUND SAID ROD, (F) AN ANNULAR PLATE SURROUNDING SAID BODY MEMBER AND BEING AXIALLY SLIDABLE, THEREALONG INTERMEDIATE SAID HOUSING END WALLS, SAID ROD BEING ENGAGED BY SAID PLATE, (G) COMPRESSION SPRINGS INTERPOSED BETWEEN SAID PLATE AND ONE OF SAID WALLS WHEREBY TO BIAS SAID PLATE IN ONE DIRECTION, AND (H) AN EXPANSIBLE FLUID BELLOWS DISPOSED BETWEEN SAID PLATE AND THE OTHER OF SAID END WALLS, WHEREBY TO MOVE SAID PLATE IN THE OPPOSITE DIRECTION AGAINST SAID SPRINGS WHENEVER FLUID UNDER PRESSURE IS SUPPLIED THERETO.