Automobile air venting system

• US 3,236,169 A
• Filed: 07/01/1963
• Issued: 02/22/1966
• Est. Priority Date: 07/01/1963
• Status: Expired due to Term

• Current Assignee: Samuel R. Starnaman
• Original Assignee: Samuel R. Starnaman
• Inventors: Starnaman, Samuel R.
• Application Number:
  US04/291,731
• Time in Patent Office: 967 Days
• US Class Current: 454/165
• CPC Class Codes: B60H 1/248 Air-extractors, air-evacuation from the vehicle interior

Claims

1. IN A VEHICLE HAVING A CLOSED BODY DEFINING A SPACE FOR PASSENGERS, SAID BODY INCLUDING A PASSENGER-SPACE-DEFINING PANEL SEPARATING SAID SPACE FROM THE AREA DIRECTLY BENEATH THE BODY;

MEANS FOR WITHDRAWING AIR FROM THE PASSENGER SPACE INCLUDING A DUCT, SAID DUCT COMPRISING AN ELONGATED TUBE DISPOSED LONGITUDINALLY OF THE VEHICLE AND MOUNTED ON SAID PANEL, THE INLET END OF SAID TUBE COMMUNICATING WITH SAID PASSENGER SPACE THROUGH SAID PANEL, SAID TUBE EXTENDING REARWARDLY FROM ITS INLET END TO ITS OUTLET END, SAID OUTLET END BEING ON THE EXTERIOR OF AND BENEATH THE VEHICLE BODY, A VALVE FOR SAID TUBE ADAPTED TO PREVENT THE FLOW OF AMBIENT AIR INTO THE PASSENGER SPACE, SAID VALVE BEING IN THE FORM OF A PLATE EXTENDING ACROSS SAID OUTLET END AND HINGED THERETO ON A HORIZONTAL AXIS ABOVE ITS CENTER OF GRAVITY SO THAT IT TENDS TO SWING TO CLOSE POSITION, SAID VALVE PLATE BEING FREE TO OPEN BY ROTATION IN ONE DIRECTION IN RESPONSE TO AN EXCESS OF PRESSURE WITHIN THE PASSENGER SPACE, AND MEANS FOR PREVENTING SAID VALVE PLATE FROM OPENING BY ROTATION IN THE OPPOSITE DIRECTION IN RESPONSE TO AN EXCESS OF PRESSURE OF THE AMBIENT AIR, THE EXTERIOR OF SAID TUBE FROM SAID PANEL REARWARDLY TO ITS OUTLET END BEING LATERALLY UNCONFINED SO AS TO ACCESSIBLE TO THE AMBIENT AIR WHEREBY THE AMBIENT AIR PRODUCES A VENTURI EFFECT ON THE OUTLET END OF SAID TUBE WHEN THE VEHICLE IS IN FORWARD MOTION.