Title:
AIR BREEZING PUMP
Document Type and Number:
Japanese Patent JPH05240163
Kind Code:
A
Abstract:
PURPOSE: To provide a noiseless lightweight air breezing pump.
CONSTITUTION: An air breezing pump 1-1 comprises a receiving unit, a reciprocating unit and a magnetic circuit. The receiving unit has a cup-shaped container 10 and a bellows 8 connected to the container 10. The reciprocating unit has a cup-shaped bobbin 4, a moving coil 3 wound around the bobbin 4, an outer cylinder 17 of the moving coil 3, an upper piston stem 9 of the cylinder 17, a disc-shaped piston 11 connected to piston stem 9 and the bellows 8, and air inlet valve 6 and air outlet valve 7 of the piston 11. The magnetic circuit has a cylindrical center pole 12, a yoke 5 thereunder, a magnet 1, a plate 2 and a ferrite core 18.
Inventors:
TONNFUUN SON
Application Number:
JP18254192A
Publication Date:
September 17, 1993
Filing Date:
July 09, 1992
Export Citation:
Assignee:
TONNFUUN SON
International Classes:
F04B45/027; F04B45/02; H02K33/18; H04R1/42; H04R9/02; (IPC1-7): F04B45/02
Attorney, Agent or Firm:
Kaoru Furuya (2 outside)