Title:
バルブ
Document Type and Number:
Japanese Patent JP4276727
Kind Code:
B2
Abstract:
A back flow preventing valve is formed of a valve main body and a valve member. The valve main body includes a fluid inlet at one side, a fluid outlet at the other side having a valve seat at an end surface thereof, a flange extending outwardly from an outer periphery thereof and located between the fluid inlet and outlet, and a bent portion situated inside the valve main body near the fluid outlet for changing a flowing direction of a fluid flowing through the valve main body. The area of the fluid outlet is greater than that of the fluid inlet. The valve member is pivotally connected to the valve main body and urged toward the valve seat. The valve member is opened when a fluid entering from the fluid inlet is ejected from the fluid outlet, and closed when the fluid does not flow from the fluid inlet to the fluid outlet. When the valve is installed in a tank, the valve main body is entered from a side of the fluid outlet into a hole of a valve attaching portion of a tank and the flange is fixed to the valve attaching portion.
Inventors:
Toshio Hattori
Application Number:
JP5615899A
Publication Date:
June 10, 2009
Filing Date:
March 03, 1999
Export Citation:
Assignee:
Nifco Co., Ltd.
International Classes:
F16K15/03; B60K15/04
Domestic Patent References:
| JP11028938A | ||||
| JP51095624A | ||||
| JP6075852U | ||||
| JP10071861A | ||||
| JP4013878U | ||||
| JP54028132U |
Attorney, Agent or Firm:
Minoru Kuwahara
Nobuhiko Nakamura
Nobuhiko Nakamura
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