Fluid resistor

• US 3,323,550 A
• Filed: 05/21/1964
• Issued: 06/06/1967
• Est. Priority Date: 05/21/1964
• Status: Expired due to Term

• Current Assignee: Lee I.I. Leighton
• Original Assignee: Lee I.I. Leighton
• Inventors: LEE II LEIGHTON
• Application Number:
  US04/369,158
• Time in Patent Office: 1,111 Days
• US Class Current: 138/39
• CPC Class Codes: F15C 1/02 Details , e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements servomotor systems adapted for maintaining constant speed F15B11/05; Switch boards; Programme devices hydraulic programme control F15B21/02
• CPC Class Codes: F15C 1/16 Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid vortex chambers F15D1/0015; vortex chambers as resistances F15C1/02; vortex chambers associated with amplifiers for improving the switching time by interaction F15C1/14
• CPC Class Codes: G05D 7/0186 without moving parts
• CPC Class Codes: Y10T 137/2093 Plural vortex generators

Claims

1. A FLUID RESISTOR COMPRISING A BODY HAVING A FLUID PASSAGEWAY THEREIN, AN ORIFICE IN SAID PASSAGEWAY, AN ENLARGED GENERALLY CYLINDRICAL ENTRANCE CHAMBER IN SAID PASSAGEWAY COMMUNICATING WITH SAID ORIFICE ALONG THE AXIS OF THE CYLINDER DEFINED BY THE GENERALLY CYLINDRICAL ENTRANCE CHAMBER, AN DAN ENLARGED GENERALLY CYLINDRICAL EXIT CHAMBER IN SAID PASSGEWAY COMMUNCITING WITH SAID ORIFICE ALONG THE AXIS OF THE CYLINDR DEFINED BY THE GENERALLY CYLINDRICAL EXIT CHAMBER, SAID PASSAGEWAY COMMUNICATING WITH SAID ENTRANCE CHAMBER AND SAID EXIT CHAMBER IN A DIRECTION GENERALLY TANGENT TO THE RESPECTIVE CYLINDERS DEFINED THEREBY AND BEING POSITIONED OF EFFECT REVERSAL OF THE FLUID VELOCITY VECTOR AT THE EXIT OF SAID EXIT CHAMBER OF SAID ORIFICE.