EP0240636A2 - Scellement pour solénoide - Google Patents

Scellement pour solénoide Download PDF

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Publication number
EP0240636A2
EP0240636A2 EP86306870A EP86306870A EP0240636A2 EP 0240636 A2 EP0240636 A2 EP 0240636A2 EP 86306870 A EP86306870 A EP 86306870A EP 86306870 A EP86306870 A EP 86306870A EP 0240636 A2 EP0240636 A2 EP 0240636A2
Authority
EP
European Patent Office
Prior art keywords
solenoid
plug
wire
seal
terminal assembly
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP86306870A
Other languages
German (de)
English (en)
Other versions
EP0240636A3 (fr
Inventor
Henry Gazeley Howitt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MYCALEX MOTORS Ltd
Original Assignee
MYCALEX MOTORS Ltd
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 MYCALEX MOTORS Ltd filed Critical MYCALEX MOTORS Ltd
Publication of EP0240636A2 publication Critical patent/EP0240636A2/fr
Publication of EP0240636A3 publication Critical patent/EP0240636A3/fr
Withdrawn legal-status Critical Current

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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

Definitions

  • This invention relates to means for sealing solenoids against the passage of air and its principal object is to provide a relatively simple form of seal which can be used with very small mass-produced solenoids and is effective over a wide range of temperatures.
  • a plug made of synthetic rubber or other suitably deformable material which is fitted into the end of a solenoid, is deformed, by attachment of a terminal assembly, into sealing engagement with the surrounding parts of the solenoid and is only traversed by the end wire of the winding passing through a hole which is pierced at the time of insertion of the wire.
  • seal takes the form of a circular plug or diaphragm 1 having a tapered peripheral wall 2 and a recess 3 at its inner end to receive and locate a hollow projection 4 at the end of the bobbin 5 through which the start wire 6 of the solenoid winding passes.
  • the plug 1 which is made of synthetic rubber, is fitted into the end of the solenoid casing 7 and the start wire 6 is passed through the plug in a hollow needle which is used to pierce a hole which, upon withdrawal of the needle, closes tightly on the wire.
  • the seal according to the invention is capable of use in small solenoids of about 13 mm diameter in which there is very little space in which to use multiple seals, is capable of withstanding temperature cycling between -40°C and + 100°C, including thermal shocks and makes it unnecessary to employ liquid adhesive type seals which are difficult to apply using mass production techniques.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gasket Seals (AREA)
  • Pipe Accessories (AREA)
  • Magnetically Actuated Valves (AREA)
  • Lift Valve (AREA)
EP86306870A 1986-04-04 1986-09-05 Scellement pour solénoide Withdrawn EP0240636A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868608297A GB8608297D0 (en) 1986-04-04 1986-04-04 Solenoid seal
GB8608297 1986-04-04

Publications (2)

Publication Number Publication Date
EP0240636A2 true EP0240636A2 (fr) 1987-10-14
EP0240636A3 EP0240636A3 (fr) 1988-12-14

Family

ID=10595711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86306870A Withdrawn EP0240636A3 (fr) 1986-04-04 1986-09-05 Scellement pour solénoide

Country Status (2)

Country Link
EP (1) EP0240636A3 (fr)
GB (1) GB8608297D0 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3041254A1 (de) * 1980-11-03 1982-06-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Zeilentransformator fuer einen fernsehempfaenger

Also Published As

Publication number Publication date
GB8608297D0 (en) 1986-05-08
EP0240636A3 (fr) 1988-12-14

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Inventor name: HOWITT, HENRY GAZELEY