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Patent Searching and Data


Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/049811
Kind Code:
A1
Abstract:
Provided is a valve device comprising: a valve housing (10) having a communication space (110); a rotating body (20, 25, 26, 40, 50, 60, 70, 80, 85) provided in the communication space; a bearing (271) that is provided to a wall body (114) of the valve housing, the wall body (114) forming a through hole (101), and that rotatably supports the rotating body; and a sealing portion (30, 45) having a sealing inner space (300, 450) provided to the bearing on the communication space side in an inner wall forming the through hole of the wall body. The rotating body has a first rotating portion (252, 852) located in the sealing inner space and a second rotating portion (223, 853) provided to the first rotating portion on the communication space side. A distance (L11, L21, L41, L51, L61) between an outer wall surface (226, 626, 726, 855) of the second rotating portion and an inner wall surface (335, 486) of the sealing portion is shorter than a distance (L12, L22, L42, L52, L62) between an outer wall surface (253, 854) of the first rotating portion and the inner wall surface of the sealing portion.

Inventors:
SHINDEN Shinichi (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
MORITANI Yuichiro (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
Application Number:
JP2018/032535
Publication Date:
March 14, 2019
Filing Date:
September 03, 2018
Export Citation:
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Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
International Classes:
F16K11/076; F02M26/70; F02M26/71; F16K41/04
Foreign References:
JP2014169668A2014-09-18
JPS61215878A1986-09-25
JPS6340682U1988-03-16
US5407176A1995-04-18
Attorney, Agent or Firm:
HATTORI Masaki (HATTORI & ASSOCIATES, Eighth Floor Arex BLDG., 4-12, Marunouchi 1-chome, Naka-k, Nagoya-shi Aichi 02, 〒4600002, JP)
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