Title:
MOTOR PUMP UNIT
Document Type and Number:
Japanese Patent JP3971369
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To further improve a motor pump unit of a conventional structure with relation to manufacturing cost and necessary space especially.
SOLUTION: This motor pump unit is provided with at least two internal gear pumps respectively including a small gear, a ring gear eccentrically facing that, and a small gear shaft fixed to a side plate. The small gears of the two pumps are of the same structure, and their pump axial lines are disposed in a line. An electric motor is provided to a least one of the two pumps as a pair of adjoining pumps. A rotor of the electric motor has a U-shaped axial direction cross sectional area to concentrically enclose the pump provided to itself. U-shaped perpendicular parts are provided with inner engagement parts in a range of a rotation axis. Inner engagement parts of the perpendicular parts are engaged with two small gears.
Inventors:
Gerd Hunt
Franz Arbogast
Franz Arbogast
Application Number:
JP2003396239A
Publication Date:
September 05, 2007
Filing Date:
November 26, 2003
Export Citation:
Assignee:
Voice Turbo Gaem Behr und Co Cargae
International Classes:
F04C15/00; F04D13/06; F04C2/10; F04C11/00; (IPC1-7): F04C15/00; F04C11/00
Domestic Patent References:
| JP6076672U | ||||
| JP2002354764A |
Foreign References:
| WO2001073295A1 |
Attorney, Agent or Firm:
Takashi Watanabe
Masatake Shiga
Yasuhiko Murayama
Shinya Mitsuhiro
Masatake Shiga
Yasuhiko Murayama
Shinya Mitsuhiro