Electromagnetic valves

• US 3,098,635 A
• Filed: 02/13/1961
• Issued: 07/23/1963
• Est. Priority Date: 03/14/1960
• Status: Expired due to Term

• Current Assignee: Adolphe Delaporte Louis, Andre Denisselle Jean
• Original Assignee: Adolphe Delaporte Louis, Andre Denisselle Jean
• Inventors: ADOLPHE DELAPORTE LOUIS, ANDRE DENISSELLE JEAN
• Application Number:
  US04/088,793
• Time in Patent Office: 890 Days
• US Class Current: 251/54
• CPC Class Codes: F16K 31/0655 Lift valves
• CPC Class Codes: F16K 41/10 with diaphragm, e.g. shaped as bellows or tube
• CPC Class Codes: H01F 7/1607 Armatures entering the winding

Claims

1. AN ELECTROMAGNETIC VALVE COMPRISING A VALVE BODY PROVIDED WITH A PASSAGEWAY FOR A LIQUID TO BE HANDLED AND WITH A SEAT IN SAID PASSAGEWAY, A TUBULAR MEMBER CARRIED BY SAID BODY AND OPENING INTO SAID PASSAGEWAY IN FRONT OF SAID SEAT, AN ELECTROMAGNETIC WINDING SURROUNDING SAID TUBULAR MEMBER, A POLE-PIECE CLOSING THE OUTER END OF SAID TUBULAR MEMBER, A PLUNGER CORE ADAPTED TO SLIDE OUTWARDLY OF SAID VALVE BODY IN SAID TUBULAR MEMBER UNDER THE ACTION OF SAID WINDING WHEN ENERGIZED, WITH A CLEARANCE BETWEEN SAID PLUNGER CORE AND THE WALL OF THE TUBULAR MEMBER, A SPRING URGING THE PLUNGER CORE AWAY FROM THE POLE-PIECE, A NEEDLE VALVE CARRIED BY THE PLUNGER CORE AND ADAPTED TO NORMALLY CLOSE SAID SEAT AND