F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/30
F02M 31/12 (2006.01)
Patent
CA 1193159
Improvements in or relating to engine preheaters ABSTRACT OF THE DISCLOSURE An air heating device for the inlet air flow to an air-breathing internal combustion engine comprises a helically coiled electrical resistance in the air entry conduit and a rigid retaining member passing through the coils of resistance along its length. The member is securely fixed at both ends to opposite sides of the conduit structure and is spaced from the coils of the resistance so that these are fully exposed to the air flow. In the event of the coiled resistance breaking loose from its normal mountings the retaining member will hold it to ensure damage is not caused by the resistance reaching a combustion chamber entry. The device can be arranged as a gasket-like unit with the body a ring-like frame that is clamped between opposed flanges of adjoining parts of the engine air entry.
407633
Bereskin & Parr
Harwood (ct) Limited
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