Title:
EXTREME MAGNETO-STRICTION TYPE ACTUATOR
Document Type and Number:
Japanese Patent JP3205387
Kind Code:
B2
Abstract:
PURPOSE: To offset thermal expansion of an extreme magneto-striction rod and to eliminate generation of characteristic failure.
CONSTITUTION: A coil bobin 8 with a solenoid coil 9 wound around it is provided in a casing 1, a stopper cylinder 16 with an extreme magnetic distortion rod 14 stored in it is inserted into a slide hole 8A of the coil bobin 8 and the stopper cylinder 16 is formed of a nonmagnetic material in correspondence with the extreme magneto-striction rod 14. Thereafter, the upper end of the extreme magnetic distortion rod 14 is made contact with a stopper part 16C of the stopper cylinder 16, the lower end side of the extreme magneto-striction rod 14 is installed on a valve body 4 through a spring bearing 6 and the valve body 4 is driven by the extreme magneto-striction rod 14.
Inventors:
Ikko Kobayashi
Yuichi Hosokawa
Yuichi Hosokawa
Application Number:
JP14317592A
Publication Date:
September 04, 2001
Filing Date:
May 09, 1992
Export Citation:
Assignee:
Unisia Jecs Co., Ltd.
International Classes:
F02M51/06; H02N2/00; (IPC1-7): H02N2/00; F02M51/06
Domestic Patent References:
| JP63299182A | ||||
| JP58172391U | ||||
| JP6112231U |
Attorney, Agent or Firm:
Kazuhiko Hirose