Apparatus for removing snow

Claim 1

APPARATUS FOR REMOVING SNOW COMPRISING AN ELONGATED CLYINDRICAL IMPELLER HOUSING OPEN ALONG ONE SIDE AND CLOSED AT BOTH ENDS, MEANS FOR SUPPORTING SAID HOUSING WITH THE LONGITUDINAL AXIS THEREOF DISPOSED IN A GENERALLY HORIZONTAL POSITION FOR MOVEMENT IN A DIRECTION TRANSVERSE TO SAID LONGITUDINAL AXIS, A ROTATABLE IMPELLER MOUNTED IN SAID IMPELLER HOUSING INCLUDING A FIRST IMPELLER PORTION FOR MOVING SNOW WITHIN SAID IMPELLER HOUSING IN THE DIRECTION OF SAID LONGITUDINAL AXIS AND IN GOOD HEAT EXCHANGE RELATIONSHIP WITH AT LEAST A PORTION OF SAID IMPELLER HOUSING AND A SECOND IMPELLER PORTION OF THROWING SNOW ENGAGING SAID SECOND IMPELLER PORTION OUTWARDLY AT HIGH SPEED, AN ELECTRIC MOTOR INCLUDING AN ELONGATED CASING, SAID CASING COMPLETELY SEALING SAID MOTOR AGAINST THE ENTRANCE AND EXIT OF FLUIDS, MEANS FOR MOUTING SAID CASING WITH ITS LONGITUDINAL AXIS PARALLEL WITH THE AXIS OF SAID IMPELLER HOUSING AND WITH A SUBSTANTIAL AREA OF SAID CASING IN GOOD HEAT EXCHANGE RELATIONSHIP WITH SAID PORTION OF SAID IMPELLER HOUSING WHEREBY THE MOVING SNOW IN SAID IMPELLER HOUSING COOLS SAID PORTION OF SAID IMPELLER SAID ELECTRIC MOTOR AND SAID IMPELLER.