System for providing heating, air conditioning and ventilation for a vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 31, 1996
Grant Date -
N/A
app pub date -
Jul 17, 1995
filing date -
Jul 30, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for providing a supply of air to the passenger compartment of a vehicle, the system comprising ducting for supplying air to a vehicle passenger compartment, a blower for propelling air through the ducting, a heat supply for supplying heat to the air, an evaporator for cooling the air, a vehicle speed detector, and a control unit for controlling the speed of the blower, and an engine sensor which produces a signal indicative of whether the vehicle engine is running, wherein the control unit is arranged to limit the blower speed to a predetermined level if the blower has been operating for a predetermined period while the vehicle speed is below a predetermined level, and to control the system in various other ways.
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