Device for generating a motive force

Details Device for generating a motive force Device for generating a motive force

2006-12-14

2008-08-26

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Reciprocating or oscillating motor

C318S126000, C318S134000

Reexamination Certificate

active

07417387

ABSTRACT:
A device for generating a motive force includes a tubular housing, a driving member, and a magnetic unit. The driving member is movably disposed in the tubular housing and includes a magnet. The magnetic unit includes first and second magnets, each of which covers a respective one of first and second open ends of the tubular housing. The construction as such permits alternate reversal of a polarity of a magnetic field of the magnet of the driving member to cause reciprocating movement of the driving member in the tubular housing.

REFERENCES:
patent: 4692673 (1987-09-01), DeLong
patent: 4965864 (1990-10-01), Roth et al.
patent: 5760552 (1998-06-01), Chen et al.
patent: 6891287 (2005-05-01), Moret
patent: 2004/0251748 (2004-12-01), Inagaki et al.
patent: 2006/0028072 (2006-02-01), Iwasa et al.
patent: 2006/0131887 (2006-06-01), Gosvener

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