System and method for prevention of windshield fogging in a moto

Details System and method for prevention of windshield fogging in a moto System and method for prevention of windshield fogging in a moto

1998-02-27

1999-10-26

Lazarus, Ira S.

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

165 42, 165232, B60H 100

Patent

active

059710667

ABSTRACT:
A method and system for controlling a heating, ventilation and air-conditioning (HVAC) system of a vehicle to prevent fogging of a windshield of the automotive vehicle is provided. The method and system include determination of whether the vehicle has been recently turned "on" and preventing the HVAC system from directing air flow toward the windshield for a first predetermined time period after it has been determined that the vehicle has recently been turned "on".

REFERENCES:
patent: 4417618 (1983-11-01), Yoshimi et al.
patent: 4953630 (1990-09-01), Iida
patent: 5027611 (1991-07-01), Doi et al.
patent: 5051884 (1991-09-01), Iida
patent: 5624310 (1997-04-01), Fredrikson et al.
patent: 5791407 (1998-08-01), Hammons

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