Valve with spherical plug

• US 3,171,429 A
• Filed: 03/09/1962
• Issued: 03/02/1965
• Est. Priority Date: 03/15/1961
• Status: Expired due to Term

• Current Assignee: Erich Sturmer, Heinz Boldt, Ulrich Munch
• Original Assignee: Erich Sturmer, Heinz Boldt, Ulrich Munch
• Inventors: Sturmer, Erich, HEINZ BOLDT, ULRICH MUNCH
• Application Number:
  US04/179,290
• Time in Patent Office: 1,089 Days
• US Class Current: 137/315.19
• CPC Class Codes: F16K 5/201 with the housing or parts of the housing mechanically pressing the seal against the plug
• CPC Class Codes: Y10T 137/6038 Particular valve seat or interface seal

Claims

1. IN COMBINATION IN A VALVE, A HOUSING HAVING A PASSAGE THERETHROUGH FOR CONVEYING A FLUID, SAID HOUSING BEING PROVIDED WITH A BORE HAVING ITS AXIS AT AN ANGLE WITH REGARD TO THE AXIS OF SAID PASSAGE, A ROTATABLE PLUG EXTENDING THROUGH SAID BORE AND HAVING ITS ENDS PROVIDED WITH BEARING STUDS ROTATABLY JOURNALLED IN SAID HOUSING, SEALING RING MEANS DISPLACEABLE IN AXIAL DIRECTION OF SAID PASSAGE FOR SEALING ENGAGEMENT WITH SAID PLUG TO THEREBY SEAL SAID PASSAGE RELATIVE TO SAID BORE, BUSHING MEANS AXIALLY DISPLACEABLY MOUNTED WITHIN SAID HOUSING, SAID BUSHING MEANS BEING REMOVABLE SELECTIVELY INTO AN EFFECTIVE POSITION TO PRESS SAID SEALING RING MEANS AGAINST SAID PLUG AND ALSO BEING REMOVABLE INTO A RETRACTED POSITION TO RELIEVE THE PRESSURE AGAINST SAID SEALING RING MEANS AND TO PERMIT REMOVAL OF SAID PLUG FROM SAID HOUSING WHILE SAID SEALING RING MEANS REMAIN IN THE HOUSING, FIRST MEANS ARRANGED IN SAID HOUSING FOR COOPERATION WITH SAID BUSHING MEANS TO MOVE THE LATTER INTO SAID EFFECTIVE POSITION, MEANS FOR MAKING SAID FIRST MEANS INEFFECTIVE, AND SECOND MEANS ARRANGED ON SAID PLUG AND