F - Mech Eng,Light,Heat,Weapons – 01 – M
Patent
F - Mech Eng,Light,Heat,Weapons
01
M
309/37
F01M 5/02 (2006.01) F02N 19/02 (2010.01) H05B 3/04 (2006.01)
Patent
CA 1176294
CASE 2813 ENGINE BLOCK HEATER ABSTRACT OF THE DISCLOSURE 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 toward 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.
389875
Chang Yih-Yi
Kungla Rein
Ade & Company
Budd Canada Inc.
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