Vehicle seat air-conditioning device

Patent metadata

Field	Value
Publication number	US-9452699-B2
Application number	US-201314428576-A
Country	US
Kind code	B2
Filing date	Sep 5, 2013
Priority date	Sep 18, 2012
Publication date	Sep 27, 2016
Grant date	Sep 27, 2016

Abstract

A vehicle seat air-conditioning device includes a vehicle seat, an electric blower, and a plurality of ducts. The vehicle seat includes a plurality of regions. The electric blower includes a plurality of fans and one electric motor. The plurality of fans correspond to the plurality of regions, respectively. The electric blower drives the plurality of fans by the one electric motor to have blowing capacity corresponding to the plurality of regions respectively. Each of the plurality of ducts is provided between a corresponding one of the plurality of regions and a corresponding one of the plurality of fans. An air flow produced by each of the plurality of fans passes through a corresponding one of the plurality of ducts. The air flow passing through each of the plurality of ducts air-conditions or ventilates a corresponding one of the plurality of regions.

First claim

What is claimed is:

1. A vehicle seat air-conditioning device comprising:
a vehicle seat that includes a plurality of regions;
an electric blower that includes:
a plurality of fans corresponding to the plurality of regions, respectively; and
one electric motor, wherein the electric blower drives the plurality of fans by the one electric motor to have blowing capacity corresponding to the plurality of regions respectively; and

a plurality of ducts each of which is provided between a corresponding one of the plurality of regions and a corresponding one of the plurality of fans, wherein:
an air flow produced by each of the plurality of fans passes through a corresponding one of the plurality of ducts; and
the air flow passing through each of the plurality of ducts air-conditions or ventilates a corresponding one of the plurality of regions.

2. The vehicle seat air-conditioning device according to claim 1 , wherein:
the plurality of regions include a seating surface and a backrest;
the plurality of fans include two fans corresponding to the seating surface and the backrest, respectively; and
the electric blower drives the two fans by the one electric motor.

3. The vehicle seat air-conditioning device according to claim 2 , wherein one of the two fans corresponding to the seating surface is configured into such a fan shape as to have higher blowing pressure than the other one of the two fans corresponding to the backrest.

4. The vehicle seat air-conditioning device according to claim 2 , wherein one of the two fans corresponding to the backrest is configured into such a fan shape as to have larger blowing air volume than the other one of the two fans corresponding to the seating surface.

5. The vehicle seat air-conditioning device according to claim 2 , wherein the one electric motor is disposed on a side of the seating surface of the vehicle seat.

6. The vehicle seat air-conditioning device according to claim 1 , wherein the electric blower drives a plurality of types of fans corresponding to the plurality of regions, respectively, by the one electric motor.

7. The vehicle seat air-conditioning device according to claim 1 , wherein the electric blower is disposed on one side of the electric motor in an axial direction, and includes a fan that draws in air from the one side in the axial direction and blows the air radially outward by its rotation.

8. The vehicle seat air-conditioning device according to claim 7 , wherein the fan is a sirocco fan.

9. The vehicle seat air-conditioning device according to claim 7 , wherein the electric blower corresponds to a seating surface.

10. The vehicle seat air-conditioning device according to claim 1 , wherein the electric blower is disposed on an other side of the electric motor in an axial direction, and includes a fan that draws in air from the other side in the axial direction and blows the air radially outward by its rotation.

11. The vehicle seat air-conditioning device according to claim 10 , wherein the fan is a centrifugal turbo fan.

12. The vehicle seat air-conditioning device according to claim 10 , wherein the electric blower corresponds to a backrest portion.

Assignees

• Denso Corp

Inventors

• Ishii Fumiya
• Kawashima Masafumi

Classifications

• B60H1/00285

  for vehicle seats · CPC title

• B60N2/565 Primary

  sucked from the seat surface · CPC title

• B60N2/56 Primary

  Heating or ventilating devices · CPC title