Title:
静油圧式無段変速装置の冷却構造
Document Type and Number:
Japanese Patent JP4624868
Kind Code:
B2
Abstract:
A hydrostatic continuously variable transmission comprises: a hydraulic pump; a power input shaft engaged with the hydraulic pump to transmit power from a power source to the hydraulic pump; a hydraulic motor in hydraulic communication with the hydraulic pump; a casing that houses the hydraulic pump and the hydraulic motor; a port block mounted to the casing, the port block having a block main body and a cover member connected to a power input side of the block main body, said cover member having an outer surface; a cooling hydraulic path provided in the port block in a region where the block main body and the cover member meet, the cooling hydraulic path being connected to a first hydraulic path in the port block, the cooling hydraulic path having a plurality of bends; a cooling fan provided on the power input shaft to provide air flow directly to the outer surface of the cover member.
Inventors:
Takashi Shibata
Toyama Yoshio
Kuramoto Takashi
Hiroshi Shimada
Takeshi Komorita
Kenji Nishihara
Masashi Osuka
Toyama Yoshio
Kuramoto Takashi
Hiroshi Shimada
Takeshi Komorita
Kenji Nishihara
Masashi Osuka
Application Number:
JP2005180833A
Publication Date:
February 02, 2011
Filing Date:
June 21, 2005
Export Citation:
Assignee:
Kubota Corporation
International Classes:
F16H39/14; F16H57/02; F16H57/04
Domestic Patent References:
| JP2001048047A | ||||
| JP11101334A | ||||
| JP5047601U | ||||
| JP51001862A | ||||
| JP2002295639A | ||||
| JP8247263A | ||||
| JP63092862U |
Attorney, Agent or Firm:
Shuichiro Kitamura