WO1999049479A3 - Solenoid plunger having attenuated external magnetic flux - Google Patents

Solenoid plunger having attenuated external magnetic flux Download PDF

Info

Publication number
WO1999049479A3
WO1999049479A3 PCT/US1999/005640 US9905640W WO9949479A3 WO 1999049479 A3 WO1999049479 A3 WO 1999049479A3 US 9905640 W US9905640 W US 9905640W WO 9949479 A3 WO9949479 A3 WO 9949479A3
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic flux
external magnetic
coil
solenoid plunger
plunger
Prior art date
Application number
PCT/US1999/005640
Other languages
French (fr)
Other versions
WO1999049479A2 (en
Inventor
Ryan S Porter
Jeffrey M Brooke
William R Blessing
Original Assignee
Plasmon Lms Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plasmon Lms Inc filed Critical Plasmon Lms Inc
Publication of WO1999049479A2 publication Critical patent/WO1999049479A2/en
Publication of WO1999049479A3 publication Critical patent/WO1999049479A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions

Abstract

A plunger assembly includes a plunger disposed in a coil for movement relative to the coil when the coil is energized, and a non-magnetic end portion coupled to the plunger, the end portion disposed externally to the coil for reducing external magnetic flux generated by the coil when energized.
PCT/US1999/005640 1998-03-20 1999-03-17 Solenoid plunger having attenuated external magnetic flux WO1999049479A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4544598A 1998-03-20 1998-03-20
US09/045,445 1998-03-20

Publications (2)

Publication Number Publication Date
WO1999049479A2 WO1999049479A2 (en) 1999-09-30
WO1999049479A3 true WO1999049479A3 (en) 1999-12-09

Family

ID=21937904

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/005640 WO1999049479A2 (en) 1998-03-20 1999-03-17 Solenoid plunger having attenuated external magnetic flux

Country Status (1)

Country Link
WO (1) WO1999049479A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100742359B1 (en) 2005-03-22 2007-07-25 엘지전자 주식회사 Method and apparatus for transmitting reserved short message

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140961A (en) * 1983-05-21 1984-12-05 Phi Magnetronics Ltd Data store for a microcomputer system
DE3425079A1 (en) * 1984-07-07 1986-01-30 thomas technik gesellschaft für magnet- und verfahrenstechnik mbH, 5243 Herdorf Body which is connected to a shaft
US5074326A (en) * 1990-11-20 1991-12-24 National Irrigation Specialists Adjustable plunger system for a universal solenoid for fluid control valves
EP0465120A1 (en) * 1990-06-29 1992-01-08 Shima Seiki Mfg., Ltd. Bistable solenoid and knitting machine using the same
US5237467A (en) * 1991-02-14 1993-08-17 Exabyte Corporation Cartridge handling apparatus and method with motion-responsive ejection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140961A (en) * 1983-05-21 1984-12-05 Phi Magnetronics Ltd Data store for a microcomputer system
DE3425079A1 (en) * 1984-07-07 1986-01-30 thomas technik gesellschaft für magnet- und verfahrenstechnik mbH, 5243 Herdorf Body which is connected to a shaft
EP0465120A1 (en) * 1990-06-29 1992-01-08 Shima Seiki Mfg., Ltd. Bistable solenoid and knitting machine using the same
US5074326A (en) * 1990-11-20 1991-12-24 National Irrigation Specialists Adjustable plunger system for a universal solenoid for fluid control valves
US5237467A (en) * 1991-02-14 1993-08-17 Exabyte Corporation Cartridge handling apparatus and method with motion-responsive ejection

Also Published As

Publication number Publication date
WO1999049479A2 (en) 1999-09-30

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