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US 2010/0058621 A1Published application
Heater box for snow blower
AssigneeLiquid Combustion Technology LLC
InventorWesley Kyle Harmelink
Life of this patent
Estimating the term…
Abstract
A snow blower is provided that includes a muffler and a heater box that has a top wall. The heater box has a plurality of side walls that extend from the top wall. The top wall and side walls define an interior of the heater box. One of the side walls defines a muffler aperture for use in venting exhaust gases from the muffler. The muffler is at least partially located in the interior of the heater box so that the side walls of the heater box surround at least a portion of all of the sides of the muffler.
Claims20
A snow blower, comprising:
- a muffler;
- a heater box that has a top wall, wherein the heater box has a plurality of side walls that extend from the top wall, wherein the top wall and the side walls define an interior of the heater box, wherein one of the side walls defines a muffler aperture for use in venting exhaust gases from the muffler, wherein the muffler is at least partially located in the interior of the heater box such that the side walls of the heater box surround at least a portion of all of the sides of the muffler;
- and
- a carburetor located in the interior such that the interior is a common interior to both the muffler and the carburetor, wherein air present in the common interior is heated by the muffler and is input to the carburetor from the common interior.
1 more element
A heater box for use with a snow blower, comprising:
- a top wall;
- and
- a plurality of side walls that extend from the top wall that define the sides of the heater box, wherein the sides of the heater box define a choke lever aperture, an on/off switch aperture, a safety key switch aperture, a primer bulb aperture, and a muffler aperture;
- wherein the top wall and the plurality of side walls define a common interior of the heater box into which a muffler and a carburetor are located, wherein air present in the common interior is heated by the muffler and is input to the carburetor from the common interior.
1 more element
A snow blower, comprising:
- a muffler that has a top wall and at least one side wall that extends downward from the top wall of the muffler;
- a heater box that has a top wall that covers the top wall of the muffler, wherein the heater box has at least one side wall that extends downward from the top wall of the heater box, wherein the at least one side wall of the heater box extends around the at least one side wall of the muffler so as to cover at least a portion of the height of the at least one side wall of the muffler, wherein the heater box has an interior;
- and
- a carburetor located in the interior, wherein the muffler is located in the interior such that the interior is a common interior to both the muffler and the carburetor, wherein air present in the common interior is heated by the muffler and is input to the carburetor from the common interior.
1 more element
Dependencies are inferred from the claim text.