Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode
Patent
1973-12-17
1976-10-12
Myhre, Charles J.
Internal-combustion engines
Engine speed regulator
Responsive to deceleration mode
123325P, 123 75B, 123DIG4, 123191S, F02B 1910
Patent
active
039851117
ABSTRACT:
An article for defining an auxiliary compartment for providing accelerated initial warm-up of the combustion chamber of an internal combustion engine, and thereafter providing for continuous transfer of heat to the walls of the combustion chamber to prevent overheating of the article. The article has a central tubular heat-receiving portion with one end closed and the opposite end open in a generally cup-shaped configuration with a mounting flange provided around the rim of the open end, and a heat output portion of preferably annular configuration provided around the outer periphery of the closed end region. An aperture is provided in the closed end for communicating the interior region of the central portion with the engine combustion chamber. In one embodiment the article is sized and shaped such that the heat output portion is in contact with adjacent portions of the combustion chamber wall to provide continuous transfer of heat from the closed end of the cup to the combustion chamber. In another embodiment the article is shaped and sized such that the heat output portion is initially spaced from the combustion chamber walls. Upon heating of the central portion of the article to a predetermined temperature, the article expands and the heat output portion contacts the combustion chamber wall to thereafter provide continuous heat transfer thereto. The method of preheating includes electrically insulating the mounting flange and grounding the heat output portion and passing an electrical current through the article to cause resistance heating thereof.
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Anderson William C.
Eaton Corporation
Myhre Charles J.
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