Title:
GEAR PUMP FOR MELTED RESIN
Document Type and Number:
Japanese Patent JP3660418
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent the damage of the gear part of a gear rotor by introducing a melted resin to a clearance and generating a thrust resistant force.
SOLUTION: In this gear pump, a pair of gear rotors with two are arranged rotatably in a meshed state in a pump housing 9 providing a suction port and delivery port and a clearance is formed between the axial direction end surface of the journal bearing body 12 in the housing 9 and the gear rotor. A thrust resistant force generation means 26 consisting of a ring shape melted resin pocket 28 installed in the inner periphery side of the end surface of the bearing body 12 and an introduction groove 29 for introducing the resin of the delivery side to this pocket 28 is installed.
Inventors:
Samurai Okamoto
Kazuo Iriya
Nobuki Nagami
Shinichi Fukumizu
Tatsuo Yagi
Hiroki Kurita
Nobuyuki Shimizu
Kazuo Iriya
Nobuki Nagami
Shinichi Fukumizu
Tatsuo Yagi
Hiroki Kurita
Nobuyuki Shimizu
Application Number:
JP2140296A
Publication Date:
June 15, 2005
Filing Date:
February 07, 1996
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
F04C2/18; F04C2/08; F04C13/00; (IPC1-7): F04C2/18
Domestic Patent References:
| JP5030482U | ||||
| JP6047686U | ||||
| JP51070504A |
Attorney, Agent or Firm:
Toshio Yasuda