By-pass valve for engines

Claim 1

A VALVE DEVICE COMPRISING A MAIN HOUSING HAVING A CHAMBER FORMED THEREIN, A FIRST END WALL IN SAID CHAMBER AND FORMED WITH AN OPENING DEFINING A FIRST END WALL VALVE SEAT, FIRST DUCT MEANS CONNECTING WITH SAID CHAMBER THROUGH SAID FIRST END WALL VALVE SEAT AND CONNECTABLE TO THE CRANKCASE OF AN ENGINE, A SECOND END WALL IN SAID CHAMBER AND SPACED FROM SID FIRST END WALL AT THE OPPOSITE END OF SAID CHAMBER, SECOND DUCT MEANS CONNECTING WITH SAID CHAMBER THROUGH SAID SECOND SAID WALL AND CONNECTABLE TO THE CARBURETOR AND INTAKE MANIFOLD OF SAID ENGINE FOR CONDUCTING GASES AND VAPORS FROM SAID CRANKCASE TO SAID INTAKE MANIFOLD FOR COMBUSTION IN SAID ENGINE, SECOND VALVE SEAT MEANS FORMED IN SAID SECOND END WALL, SIDE LINER WALL MEANS IN SAID CHAMBER SO THAT SAID CHMBER IS LINED WITH SAID FIRST AND SECOND END WALLS AND THE INTERCONNECTING SIDE LINER WALL MEANS AFORESAID, AND VALVE PLUNGER MEANS MOVABLE DISPOSED IN SAID CHAMBER AND SLIDABLY ENGAGING SAID SIDE LINER WALL MEANS, SAID VALVE PLUNGER MEANS BEING CONSTRUCTED AND ARRANGED FOR MOVEMENT FROM A FIRST POSITION AT WHICH IT BLOCKS COMMUNICATION BETWEEN SAID FIRST DUCT MEANS AND SAID CHAMBER WHEN SAID ENGINE IS NOT OPERATING, TO A SECOND OPERATED POSITION IN SEATING ENGAGEMENT WITH SAID SECOND VALVE SEAT MEANS AND OUT OF CONTACT WITH SEATING ENGAGEMENT WITH AID FIRST VALVE SEAT MEANS, FOR PROVIDING LIMITED RESTRICTED COMMUNICATION BETWEEN SAID FIRST AND SECOND DUCT MEANS FOR GAS AND VAPOR FLOW THEREBETWEEN TO SAID CARBURETOR.