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Patent Searching and Data


Title:
MIST PUMP EQUIPMENT
Document Type and Number:
Japanese Patent JP2003161304
Kind Code:
A
Abstract:

To provide a mist pump which feeds only minimum oil independently on a driving source when an actuator side connected to the pump gets to a non-load state.

There are provided a pump 1, a dry valve 2 connected between an intake port of the pump and a tank and changeable to a releasing position 2a or a mist position 2b, and a change-over valve 5. The dry valve 2 is provided with a spring chamber opposite to a pilot chamber 3. The change-over valve 5 is formed so as to apply tank pressure or pressure introduced from the intake passage of the pump into the pilot chamber corresponding to the change-over position. A spring member 7 having a spring force less than tank pressure P1 is provided in the spring chamber of the dry valve.


Inventors:
Mitamura, Tadashi
Application Number:
JP2001000359599
Publication Date:
June 06, 2003
Filing Date:
November 26, 2001
Export Citation:
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Assignee:
KAYABA IND CO LTD
International Classes:
B62D5/07; F15B11/00; (IPC1-7): F15B11/00
Attorney, Agent or Firm:
嶋 宣之