US 12,077,074 B2
Seat air-conditioning device
Haruki Ikuta, Kariya (JP); Shuji Ito, Kariya (JP); Hironobu Murakami, Kariya (JP); and Shouji Obara, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Nov. 8, 2022, as Appl. No. 17/983,183.
Application 17/983,183 is a continuation of application No. PCT/JP2021/019437, filed on May 21, 2021.
Claims priority of application No. 2020-113131 (JP), filed on Jun. 30, 2020.
Prior Publication US 2023/0068742 A1, Mar. 2, 2023
Int. Cl. A47C 31/00 (2006.01); B60N 2/56 (2006.01); B60N 2/58 (2006.01)
CPC B60N 2/5657 (2013.01) 8 Claims
OG exemplary drawing
 
1. A seat air-conditioning device applied to a seat installed in a cabin of a vehicle, comprising:
a cushion material that is configured to support a back or buttocks of an occupant seated on the seat;
an outer cover that covers the cushion material and has a plurality of perforation holes;
a ventilation hole that is formed at a portion of the cushion material which is opposed to the back or the buttocks of the occupant seated on the seat, wherein the ventilation hole is configured to suction or blow air; and
a surface groove that is formed at a portion of the cushion material which is adjacent to the outer cover, wherein the surface groove is communicated with a portion of the ventilation hole, which is placed adjacent to the outer cover, and the surface groove extends from the ventilation hole in a direction away from a location of the cushion material, at which a center of the back or a center of the buttocks of the occupant seated on the seat is placed, while the surface groove is unbent along an entire extent of the surface groove, wherein:
the seat includes:
a center portion which is placed to oppose the back or the buttocks of the occupant seated on the seat; and
two side supports which are placed on two opposite sides, respectively, of the center portion;
a hanging groove, which is configured to couple between the cushion material and the outer cover, is formed at a boundary between the center portion and one of the two side supports;
the ventilation hole and the surface groove are formed at the center portion; and
the surface groove extends from the ventilation hole to the one of the two side supports or the hanging groove.