Oil temperature regulators for internal combustion engines

Claim 1

IN A PRESSURIZED, LUBRICATING SYSTEM OF AN INTERNAL COMBUSTION ENGINE, THE COMBINATION OF AN OIL PUMP HAVING AN OIL DELIVERY CONDUIT PROVIDED INTERMEDIATE THE ENDS THEREOF WITH A RESTRICTED ORIFICE, AN OIL TEMPERATURE REGULATOR COMPRISING AN OIL INLET MANIFOLD, AN OIL RETURN MANIFOLD, A PLURALITY OF MUTUALLY PARALLEL FINNED HEAT EXCHANGE TUBES EXTENDING BETWEEN AND CONNECTED TO SAID INLET AND RETURN MANIFOLD, SAID HEAT EXCHANGE TUBES BEING PROVIDED AT THE RETURN MANIFOLD ENDS THEREOF WITH RESTRICTED OIL PASSAGES, AN OIL FEED TUBE EXTENDING TO SAID INLET MANIFOLD FROM A POINT ON SAID OIL DELIVERY CONDUIT BETWEEN SAID PUMP AND SAID RESTRICTED ORIFICE, AN OIL RETURN TUBE EXTENDING FROM SAID RETURN MANIFOLD TO A POINT ON SAID OIL DELIVERY CONDUIT DOWN STREAM FROM THE RESTRICTED ORIFICE, AND AN OIL BY-PASS TUBE EXTENDING FROM SAID INLET MANIFOLD TO SAID OIL RETURN TUBE IN BY-PASSING FROM SAID INLET MANIFOLD EXCHANGE TUBES, SAID OIL BY-PASS TUBE BEING DISPOSED TRANSVERSELY TO AND IN CONTIGUOUS RELATIONSHIP WITH SAID HEAT EXCHANGES TUBES ADJACENT THE RESTRICTED OIL PASSAGES THEREOF FOR HEAT TRANSFER FROM SAID OIL BY-PASS TUBE TO SAID HEAT EXCHANGE TUBES, SAID INSULATING MATERIAL SURROUNDING AND ENCLOSING SAID OIL RETURN TUBE AND SAID HEAT TRANSFER TUBES ADJACENT THE CONTIGUOUS RELATIONSHIP THEREOF.