Automotive air conditioner with warm air bypass passage to boost

Details Automotive air conditioner with warm air bypass passage to boost Automotive air conditioner with warm air bypass passage to boost

1998-09-22

2000-02-08

Bennett, Henry

Heating systems

Heat and power plants

Vehicle

165 42, 237 123R, B60H 102

Patent

active

060219572

ABSTRACT:
A motor vehicle air conditioner that is operative to cause the quantity of conditioned air to change smoothly when an air conditioner bypass passage is opened/closed. When a user switches a typical automotive air conditioner between a bi-level flow mode and a full outer-air mode, a warm-air bypass door does not stop at an intermediate position, thus causing both air quantity of conditioned air and blown-air temperature of conditioned air to change greatly. In the air conditioner of the present invention, the air conditioner warm-air bypass door stops once at an intermediate position, thus enabling the air quantity of the conditioned air and the temperature change in the blown-air to change gradually.

REFERENCES:
patent: 4420115 (1983-12-01), Matsushima et al.
patent: 4702307 (1987-10-01), Ito et al.

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