Internal-combustion engines – With heating means
Patent
1982-11-02
1984-11-06
Lazarus, Ira S.
Internal-combustion engines
With heating means
219208, 219318, 219336, 219536, F02N 1706, H05B 302
Patent
active
044806043
ABSTRACT:
An engine block heater adapted for insertion through an opening in the block wall of an internal combustion engine has a novel arrangement for securing the heater within the opening of the block wall. The heater includes a plug member having a heating element and an adjustable fastening assembly extending from one side of the heater into the interior of the engine block. The fastening assembly passes through the plug member for adjustment from outside the block. A spiral spring is further included having its center positioned in fixed relation with the fastening assembly. The spring spirals towards the one side of the plug member. Additionally, two wing members are mounted in pivotal relation with the fastening assembly through an intermediate support member threadably mounted on the fastening assembly. The wing members have an inverted V shape with respect to the one side of the plug member when positioned within the spiral so as to facilitate insertion of the plug member into the aperture. The wing members may also extend substantially along a longitudinal path so as to have a diameter larger than that of the aperture when the wing members are drawn against the one side of the plug member by adjustment of the fastening assembly. In this latter position, the wing members secure the plug member in the aperture. The advantage found in this novel arrangement is that it is possible to repeatedly insert and remove the heater from the engine block.
REFERENCES:
patent: 3148268 (1964-05-01), Heinbuch
patent: 3165621 (1965-01-01), Windsor
Chang Yih-Yi
Kungla Rein
Ade Stanley G.
Budd Canada Inc.
Lazarus Ira S.
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