Title:
HYDRAULIC MACHINE
Document Type and Number:
Japanese Patent JP2000230490
Kind Code:
A
Abstract:
To provide a compact and light hydraulic machine that effectively reduces pulsation noise.
The hydraulic machine is provided with rotors 5, 7 meshed with each other through engagement with top and bottom portions of the teeth, respectively, a rotor chamber 33 for rotatively accommodating those rotors 5, 7, easing 13 provided with inlet and outlet ports, and resonance spaces 63, 65 formed on the top portion of the teeth, and the communication passage 99. It is further provided with a resonator that erases pulsation noise.
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Inventors:
HIGANO NOBORU
Application Number:
JP3048499A
Publication Date:
August 22, 2000
Filing Date:
February 08, 1999
Export Citation:
Assignee:
TOCHIGI FUJI SANGYO KK
International Classes:
F04C18/16; F04C18/18; F04C29/00; F04C29/06; (IPC1-7): F04C29/06; F04C18/16; F04C18/18
Attorney, Agent or Firm:
Hidekazu Miyoshi (8 outside)