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US 6,381,881 B1Granted
Engine cover for a snow thrower
AssigneeMurray, Inc.
InventorRichard A. Heismann
Life of this patent
Estimating the term…
Abstract
A snow thrower engine cover is provided with spaced interior walls to define a first space for receiving air used to cool the engine, a second space for retaining air heated by the engine's exhaust and a third space between the walls for restricting heat transfer from the second space to the interior wall which defines the first space.
Claims7
A cover for a snow thrower engine of the type having a carburetor, an exhaust and a starter impeller, said cover having an exterior wall for enclosing at least a portion of the engine and further including:
- a first vertical interior wall extending between opposite sides of the cover and defining a first space within the cover for receiving ambient air to cool the engine;
- and
- a second vertical interior wall spaced from the first interior wall and extending between opposite sides of the cover to define a second space between the first and second interior walls and a third space between the second interior wall and the exterior wall of the cover, said third space containing air heated by the exhaust.
Dependencies are inferred from the claim text.