Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ACTUATOR DEVICE FOR FORCED AIR FEEDING AND FORCED AIR FEEDING TYPE AIR BATTERY
Document Type and Number:
Japanese Patent JP2002246075
Kind Code:
A
Abstract:

To provide an inexpensive actuator device for forced air feed capable of effectively feeding the air without generating vibration or noise.

This device is provided with two diaphragms 8 and 9 facing to each other, voice coils 6 and 7 mounted on the surfaces of the respective diaphragms 8 and 9, a magnet 2 integrated with pole pieces 3 and 4, a yoke 5 facing to the pole pieces 3 and 4, and a housing 1 for keeping the facing space of the diaphragms 8 and 9 airtight. An air inlet port 16 and an air-jetting port 17 communicating with the facing space of the diaphragms 8 and 9 are formed, a closing valve 18 is installed inside, by adapting it to the introducing port 16 and a closing valve 19 is installed outside by adapting it to the jetting port 17, so that the device is composed as an air pump, by the use of the two diaphragms 8 and 9 vibrating repetitively and continuously.


Inventors:
YASUDA TAKAFUMI
Application Number:
JP2001000045804
Publication Date:
August 30, 2002
Filing Date:
February 21, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NAMIKI PRECISION JEWEL CO LTD
International Classes:
F04B17/04; F04B45/047; H01M6/50; H01M12/06; H01M2/12; H01M8/04; (IPC1-7): H01M12/06; F04B17/04; F04B45/047
Domestic Patent References:
JPS56156099A1981-12-02
JPS5249845B21977-12-20
JP2002001215A2002-01-08
JP2001359193A2001-12-26
JP2570923Y21998-05-13
JPS422918Y11967-02-21
JPH09144662A1997-06-03
JP2002532859A2002-10-02
Foreign References:
US5258239A1993-11-02
US6189858B12001-02-20
US5011380A1991-04-30
Attorney, Agent or Firm:
竹下 和夫