Motion responsive devices

• US 3,277,791 A
• Filed: 03/30/1965
• Issued: 10/11/1966
• Est. Priority Date: 03/30/1965
• Status: Expired due to Term

• Current Assignee: Raymond L. Williams, William R. Spencer
• Original Assignee: Raymond L. Williams, William R. Spencer
• Inventors: Williams, Raymond L., Spencer, William R.
• Application Number:
  US04/443,828
• Time in Patent Office: 560 Days
• US Class Current: 91/47
• CPC Class Codes: F15B 5/00 Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities F15B9/00 takes precedence

Claims

1. A MOTION RESTRAINING DEVICE COMPRISING, A CYLINDER MEANS, A PISTON MEANS RECIPROCABLE THEREIN, SAID CYLINDER MEANS AND PISTON MEANS DEFINING CHAMBER MEANS, AN INLET AND AN OUTLET ORIFICE COMMUNICATING WITH SAID CHAMBER MEANS, THE AREA OF SAID OUTLET ORIFICE BEING GREATER THAN THE AREA OF SAID INLET ORIFICE, MEANS FOR MAINTAINING AN UNINTERRUPTED FLOW OF LIQUID INTO AND OUT OF SAID CHAMBER MEANS WITH THE LIQUID PASSING THROUGH SAID ORIFICES, AND PRODUCING A LIQUID FORCE ON SAID PISTON MEANS WHICH VARIES WITH MOVEMENT OF SAID PISTON MEANS, AND MEANS FOR PROVIDING AN OPPOSING FORCE ON SAID PISTON MEANS WHICH IS EQUAL TO THAT PROVIDED BY SAID LIQUID WHEN THE PISTON MEANS IS AT REST AND VARIES INVERSELY WITH THE LIQUID FORCE DURING PISTON MOVEMENT.