Internal-combustion engines – Frame construction – Horizontal cylinder
Patent
1989-04-27
1990-05-15
Myhre, Charles J.
Internal-combustion engines
Frame construction
Horizontal cylinder
123198E, 123 4105, F02F 700, F02B 7700
Patent
active
049248260
ABSTRACT:
An improved motor vehicle engine compartment [10] for protecting the engine from cold by retaining engine heat includes conventional side walls [11,12], hood [13] and cowling [14]. A front wall [16] adjacent the radiator [R] includes a series of movable louvers [22] for covering and uncovering a series of opeings [21]. A lower wall [17] includes a series of movable louvers [24] for covering and uncovering a series of openings [23]. Together these walls and the side walls, hood and cowling form a substantially hermetically sealed enclosure when the louvers are in the covering positions. Actuators [28,29], acting through connecting rods [26,27], move the louvers [22,24] to the covering and uncovering positions. A control circuit [40], responsive to low ambient temperature, high engine temperature and operation of the engine, controls the operation of the actuators [28,29].
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Lo Weilun
Myhre Charles J.
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