US 5,297,988 A · Fragrance supplying apparatus for vehicle

Abstract

A fragrance supplying apparatus for a vehicle for supplying an interior of an air-conditioning duct of the vehicle with a fragrance or deodrant so that the fragrance or deodrant is carried by a flow of air from a blower of the air-conditioning system into the cabin of the vehicle, the fragrance supplying apparatus including a fragrance supplying apparatus having control valves for controlling the supply of the fragrance or deodorant into the air-conditioning duct; a random number producing unit for producing random numbers; and a control unit for controlling the control valves of the fragrance supplying unit based on the random numbers to set varying patterns of supply and cessation of the fragrance or deodorant.

Claims30

Dependent claims

An fragrance supplying apparatus for a vehicle for supplying an interior of an air-conditioning duct of the vehicle with a fragrance or deodorant so that the fragrance or deodorant is carried by a flow of air from a blower of the air-conditioning system into the cabin of the vehicle, the fragrance supplying apparatus comprising:

a fragrance supplying means having control valves for controlling the supply of the fragrance or deodorant into the air-conditioning duct;
a random number producing means for producing random numbers;
and
a control means for controlling the control valves of the fragrance supplying means based on the random numbers to set varying patterns of supply and cessation of the fragrance or deodorant.

1 more element

A fragrance supplying apparatus for a vehicle for supplying an air-conditioner with a fragrance or deodorant so that the fragrance or deodorant is carried by a flow of air from the air-conditioner into the cabin of the vehicle, the air-conditioner having an inlet pipe downstream of a blower for receiving air from the blower and an outlet pipe for introducing air into air outlets, the fragrance supplying apparatus comprising:

at least one fragrance supplying means for supplying the air-conditioning system with a fragrance or deodorant, the means comprising:
a first connecting means for connecting to the outlet pipe;
a second connecting means for connecting to the inlet pipe;
control valves operable to form air passages between the downstream side of the blower and the outlets via the first connecting means, fragrance cassette, and second connecting means;
a random number producing means for producing random numbers;
and
a control means for controlling the control valves of the fragrance supplying means based on the random numbers to set varying patterns of supply and cessation of the fragrance or deodorant.

4 more elements

Dependencies are inferred from the claim text.

Fragrance supplying apparatus for vehicle

Life of this patent

Fragrance supplying apparatus for vehicle

Life of this patent

Abstract

Claims30