IN-LINE EXTERNALLY ADJUSTABLE FLOW CONTROL AND NEEDLE VALVE ASSEMBLY

• US 3,605,808 A
• Filed: 06/23/1969
• Issued: 09/20/1971
• Est. Priority Date: 06/23/1969
• Status: Expired due to Term

• Current Assignee: Robert M. Fisher
• Original Assignee: Robert M. Fisher
• Inventors: Fisher, Robert M.
• Application Number:
  US04/835,588
• Time in Patent Office: 819 Days
• US Class Current: 137/599.18
• CPC Class Codes: F16K 15/1823 for ball check valves
• CPC Class Codes: Y10T 137/87394 Carried valve is direct response valve [e.g., check valve, etc.]
• CPC Class Codes: Y10T 137/87547 Manually variable
• CPC Class Codes: Y10T 137/87563 With reverse flow direction

Abstract

A COMPACT IN-LINE FLOW-CONTROL VALVE AND NEEDLE VALVE ASSEMBLY IS DISCLOSED WHEREIN IN AN EXTERNALLY ADJUSTABLE NEEDLE VALVE ELEMENT IS ADJUSTABLE TO PERMIT A PREDETERMINED RESTRICTED FLOW IN BOTH DIRECTIONS OR MAY INCLUDE A SPRING-LOADED BASS ASSEMBLY BY WHICH FLOW IS RESTRICTED IN ONE DIRECTION WITH FREE-FLOW THRU BALL ASSEMBLY WHEN FLOW IS REVERSED.

Claims