Electric heating – Heating devices – Combined with diverse-type art device
Patent
1990-04-10
1991-04-30
Reynolds, Bruce A.
Electric heating
Heating devices
Combined with diverse-type art device
219203, 219208, 219279, 237 123A, B60L 102
Patent
active
050120700
ABSTRACT:
A vehicle preheating system which provides for the preheating of the vehicle interior, as well as other components, is disclosed. The system includes an electrical heating element installed within the water lines of the vehicle and is supplied with electrical power by an external source. The unit containing the electrical heating element may also include a valve which can shut off coolant flow to and from the engine block, thus warming the vehicle interior more quickly. Alternatively, the electrical heating element may be used to preheat the engine as well as the interior as desired, or additional electrical heating elements may be installed in other areas. The standard vehicle heater fan is supplied with electrical power from a transformer and rectifier in the circuit, thus using only external power rather than vehicle battery power. The system is controlled by a timer controller, which may be preset to activate the heater assembly at some predetermined time prior to vehicle operation, and may provide for other component preheating devices such as engine and battery warmers. The timer controller may activate each of these devices simultaneously, or independently at various times depending upon the lead time required to thoroughly warm each component. Alternatively, power may be applied to each device in turn in order to avoid excessive current draw from the external circuit. The external power cord is contained on a reel which is installed within the vehicle body and is retracted onto the reel for storage when not in use.
REFERENCES:
patent: 1881068 (1932-10-01), Bates
patent: 2527011 (1950-10-01), Keil
patent: 3943325 (1976-05-01), Pickard
patent: 4293759 (1981-10-01), Higgins
patent: 4350287 (1982-09-01), Richards
patent: 4591691 (1986-05-01), Badali
Durkin-Reed, Inc.
Hoang Tu
Litman Richard C.
Reynolds Bruce A.
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