EP0134390B1 - Isolateurs de traversée, notamment pour machines frigorifiques - Google Patents

Isolateurs de traversée, notamment pour machines frigorifiques Download PDF

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Publication number
EP0134390B1
EP0134390B1 EP84103204A EP84103204A EP0134390B1 EP 0134390 B1 EP0134390 B1 EP 0134390B1 EP 84103204 A EP84103204 A EP 84103204A EP 84103204 A EP84103204 A EP 84103204A EP 0134390 B1 EP0134390 B1 EP 0134390B1
Authority
EP
European Patent Office
Prior art keywords
nub
cylindrical
insulator
current
current leadthrough
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.)
Expired
Application number
EP84103204A
Other languages
German (de)
English (en)
Other versions
EP0134390A1 (fr
Inventor
Georg Dipl.-Ing. Probst (Fh)
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.)
GMT NOVOTNY GmbH
Original Assignee
GMT NOVOTNY GmbH
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 GMT NOVOTNY GmbH filed Critical GMT NOVOTNY GmbH
Priority to AT84103204T priority Critical patent/ATE27871T1/de
Publication of EP0134390A1 publication Critical patent/EP0134390A1/fr
Application granted granted Critical
Publication of EP0134390B1 publication Critical patent/EP0134390B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/26—Lead-in insulators; Lead-through insulators
    • H01B17/30—Sealing
    • H01B17/303—Sealing of leads to lead-through insulators
    • H01B17/306—Sealing of leads to lead-through insulators by embedding in material other than glass or ceramics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines

Definitions

  • the invention relates to a current feedthrough, in particular for refrigeration machines, with a disk-like insulating body made of at least slightly elastic material, in particular elastomers, thermoplastics or the like, from which a knob which is penetrated by electrically conductive elements and tapers towards the end is formed.
  • Such a feedthrough is disclosed in DE-A-1 464 203: the knob protruding from the disk-like insulating body is inserted into a counterpart of another disk-like insulating body.
  • This counterpart is a pipe stub with a tapering interior and an annular bead protruding into it, which keeps engaging in an annular groove on the outside of that knob.
  • the result is a cross-sectionally H-shaped insulating body made of elastically stable insulating material with a through channel for an electrical conductor.
  • the conductor pins are locked in their position by means of this seal and are sealed airtight by the seal cast into the desired shape on the spot.
  • the two-part construction of the current lead-through is very complex both during manufacture and during assembly.
  • the connection between the current feedthrough on the one hand and the conductor passing through it on the other hand is not sufficiently reliable.
  • the inventor has set himself the task of simplifying the manufacture and assembly of a current feedthrough of the type mentioned at the outset, reducing the cost and at the same time increasing the operational reliability.
  • the insulating body consists of a base which carries a plurality of eccentrically provided knobs and is reinforced by means of a flange projecting radially from a cylindrical knob part and which is formed in one piece from temperature-resistant, chemical-insensitive material, in particular injection-molded, the facing the knobs Surface of the base or flange, a contact edge and the outer surface of each element designed as a conductor pin is connected gas-tight to the knob surrounding it.
  • a particular advantage is the one-piece construction of the support and the insulating body, that is to say of the base and the knobs, which has a considerable influence on both the manufacture and the handling.
  • the conical knob section facilitates insertion into the bores of the compressor wall or the like, whereas the cylindrical part ensures a perfect seal.
  • an approximately radially projecting annular bead is provided at the transition between the conical part of the knob and the cylindrical knob part.
  • the wall of the compressor capsule lies on the knobs between the base and this bead, the latter on the one hand indicating the correct installation of the current feedthrough and on the other hand serving as resistance to its being pushed out of the capsule.
  • cylindrical knob part is encompassed by an annular bead which is directed parallel to the knob and protrudes from the surface of the base.
  • This ring bead serves as a system for the capsule wall and for sealing the same.
  • the conductor pin penetrates a cylindrical blind hole in the insulating body, which extends from a lower surface of the base to approximately the end of the cylindrical knob part stretches.
  • This blind hole surrounds the conductor pin in a ring shape in cross-section and makes it possible to simplify the assembly of the current lead-through; the latter can be compressed when inserted into a bore in the capsule wall or the like.
  • a disk-shaped base 10 of a current feedthrough 11 is provided on a surface 12 with three knobs 14 formed from it, in each of which an electrically conductive pin 15 is embedded centrally.
  • Base 10 and knobs 14 are injection-molded in one piece from electrically non-conductive elastomer or thermoplastics.
  • the freely protruding pin ends 16 can be designed with or without an upset contact surface, depending on the electrical power to be transmitted.
  • the knobs 14 each have a conical part 19 extending from their forehead 18, which is used for centering when the current feedthrough 11 is buttoned into a capsule (not shown) of a compressor.
  • a cylindrical knob part 20 adjoining the conical part 19 is to a certain extent larger than the associated bore of the capsule, which is also not shown, and represents the actual sealing element of the entire current feedthrough 11.
  • annular bead 21 is arranged, against which the wall of the capsule, not shown, bears after assembly.
  • This bead 21 indicates the correct mounting position of the current leadthrough 11 and also serves as a stop for the capsule of the compressor in order to prevent the current leadthrough 11 from sliding out unintentionally.
  • the disk-shaped base 10 is reinforced by a flange 23 projecting laterally from the cylindrical knob parts 20, as illustrated in FIG. 3.
  • the flange 23 serves as a system for the current feedthrough 11 on the wall of the capsule; the latter rests on a bulge 24 encompassing the knob 14, which also contributes to the sealing.
  • each conductor pin 15 of the current feedthrough 11 there is a recess 26 with a circular cross section, which extends from the lower surface 13 of the base 10 and extends to approximately the end of the cylindrical knob part 20; this recess 26 thus forms a blind hole and an annular gap around the conductor pin 15.
  • the cylindrical nub part 20 is - as said - kept somewhat larger than the associated bore in the capsule, and the annular gap enables a due to the flexibility of the nub 14 thereby obtained easier insertion into the capsule.
  • the internal pressure lies against the wall 27 of the recess 26 or the annular gap, so that this results in an additional seal.
  • the connection between the - made of brass or iron - conductor pins 15 on the one hand and the knobs 14 on the other hand is gas-tight.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • General Details Of Gearings (AREA)
  • Defrosting Systems (AREA)
  • Compressor (AREA)
  • Insulators (AREA)
  • Spark Plugs (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Insulating Bodies (AREA)
  • Thermistors And Varistors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Non-Reversible Transmitting Devices (AREA)

Claims (5)

1. Passage de courant, notamment pour machines frigorifiques, avec un corps isolant en forme de disque d'un matériel au moins légèrement élastique en particulier d'élastomères, thermoplastiques ou des choses semblables, le corps isolant possédant une nope (14) en saillie se terminant en cône et chargée d'éléments électro- conducteurs (15), caractérisé en ce que le corps isolant se compose d'un socle (10) portant plusieurs nopes (14) montées excentriquement et renforcé par une collerette (23) qui dépasse radialement une partie cylindrique de nopes (20), le socle étant formé notamment extrudé d'une seule pièce d'une matière résistante à la température et insensible aux substances chimiques, la surface (12) du socle ou plutôt de la collerette tournée vers les nopes étant une arête de raccordement, la face extérieure de chaque élément formé en broche conductrice (15) étant lié de manière étanche au gaz aux nopes qui l'entourent.
2. Passage de courant selon la revendication 1 avec un renflement (21) annulaire entourant la nope, caractérisé en ce que la nope (14) se rattache avec la partie cylindrique de nopes (20) à la surface (12) du socle (10) et que le renflement (21) se trouve à peu près au passage entre la partie conique (19) de la nope (14) et la partie cylindrique de nopes.
3. Passage de courant selon la revendication 1 ou 2 caractérisé en ce que la partie cylindrique de nopes (20) est entourée d'un renflement annulaire (24) du socle (10).
4. Passage de courant selon une des revendications 1 à 3, caractérisé en ce que la broche conductrice (15) traverse coaxialement un trou borgne cylindrique (26) du corps isolant qui s'étend d'une surface inférieure (13) du socle (10) jusque environ à l'extrémité de la partie cylindrique des nopes (20).
5. Passage de courant selon une des revendications 1 à 4, caractérisé en ce que la libre extrémité de la broche conductrice (15) est pourvue d'une surface de contact refoulée.
EP84103204A 1983-07-07 1984-03-23 Isolateurs de traversée, notamment pour machines frigorifiques Expired EP0134390B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84103204T ATE27871T1 (de) 1983-07-07 1984-03-23 Stromdurchfuehrung, insbesondere fuer kaeltemaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3324466A DE3324466C2 (de) 1983-07-07 1983-07-07 Stromdurchführung, insbesondere für Kältemaschinen
DE3324466 1983-07-07

Publications (2)

Publication Number Publication Date
EP0134390A1 EP0134390A1 (fr) 1985-03-20
EP0134390B1 true EP0134390B1 (fr) 1987-06-16

Family

ID=6203363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84103204A Expired EP0134390B1 (fr) 1983-07-07 1984-03-23 Isolateurs de traversée, notamment pour machines frigorifiques

Country Status (12)

Country Link
US (1) US4700999A (fr)
EP (1) EP0134390B1 (fr)
JP (2) JPS6037614A (fr)
AT (1) ATE27871T1 (fr)
AU (1) AU575325B2 (fr)
BR (1) BR8402894A (fr)
CA (1) CA1221752A (fr)
DE (1) DE3324466C2 (fr)
DK (1) DK161115C (fr)
ES (1) ES278942Y (fr)
IN (1) IN161126B (fr)
TR (1) TR21912A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595557A (en) * 1985-04-11 1986-06-17 Emerson Electric Co. Method of increasing hermeticity of metal components of glass/metal and ceramic/metal seals
US4984973A (en) * 1990-03-21 1991-01-15 Tecumseh Products Company Hermetic motor compressor unit having a hermetic terminal with electrically insulating anti-tracking cap
JP3020341B2 (ja) * 1992-03-18 2000-03-15 松下冷機株式会社 気密端子保護カバー
US5631445A (en) * 1994-10-07 1997-05-20 Ford Motor Company Automotive fuel tank electrical fitting
DE19727102A1 (de) * 1997-06-26 1999-01-07 Putzmeister Ag Rohrweiche für Zweizylinder-Dickstoffpumpen
US6555754B2 (en) * 2001-01-18 2003-04-29 Walbro Corporation Automotive fuel tank electrical fitting
EP2083426A1 (fr) * 2008-01-28 2009-07-29 ABB Research Ltd. Traversée, installation de distribution d'alimentation électrique fournie avec celle-ci, et procédé de production d'une telle traversée
GB2466441A (en) * 2008-12-18 2010-06-23 Tyco Electronics Ltd Uk Electrical current feed-through bush with air gap
DE102010043773B4 (de) 2010-01-29 2014-05-22 Halla Visteon Climate Control Corporation 95 Elektrische Durchführung für Hermetikverdichter
DE102015103053A1 (de) 2015-03-03 2016-09-08 Halla Visteon Climate Control Corporation Elektrodurchführungseinheit
DE102016100394A1 (de) 2016-01-12 2017-07-13 Hanon Systems Elektrische Stromdurchführungsanordnung und Verfahren zu deren Herstellung und Montage

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433911A (en) * 1944-11-29 1948-01-06 Johnston Leith Lead through terminal
FR1019862A (fr) * 1950-06-09 1953-01-27 Dispositif pour la traversée étanche des fils électriques dans les appareils blindés
CH335234A (fr) * 1956-07-16 1958-12-31 Acec Produit comprenant un manchon en résine synthétique coulée dans lequel est insérée au moins une tige métallique et procédé de fabrication de ce produit
DE1464203A1 (de) * 1962-03-07 1969-12-04 Licentia Gmbh Isolieranordnung
US3495028A (en) * 1964-11-23 1970-02-10 American Crucible Products Co Unitary hermetic connector with contained sealing means
GB1087191A (en) * 1966-01-31 1967-10-11 Richard Urann Clark Electric terminal
US3422392A (en) * 1966-06-08 1969-01-14 Westinghouse Electric Corp Electrical bushing assembly
US3646499A (en) * 1970-06-22 1972-02-29 Microdot Inc Multiple connector
US3696321A (en) * 1970-09-14 1972-10-03 Itt Electrical connector
US3708612A (en) * 1971-07-02 1973-01-02 Anderson Electric Corp Electrical bushing assembly
JPS5215000B2 (fr) * 1971-09-27 1977-04-26
US3770878A (en) * 1971-12-06 1973-11-06 Terminals Inc Hermetically sealed electrical terminal
DE2323967A1 (de) * 1973-05-11 1974-11-28 Us Terminals Inc Anschlusstueck fuer einen elektrischen anschluss
US3842389A (en) * 1973-08-23 1974-10-15 Amp Inc Field repairable high voltage connector
JPS511036U (fr) * 1974-06-17 1976-01-07
US4054354A (en) * 1975-10-01 1977-10-18 E. I. Du Pont De Nemours And Company Connector housing
US4138183A (en) * 1976-06-21 1979-02-06 G&H Technology, Inc. Cryogenic connector
JPS5634710Y2 (fr) * 1976-10-28 1981-08-15
DE2725796C2 (de) * 1977-06-08 1985-06-13 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Elektrische Steckdose

Also Published As

Publication number Publication date
ATE27871T1 (de) 1987-07-15
US4700999A (en) 1987-10-20
DE3324466A1 (de) 1985-01-17
BR8402894A (pt) 1985-05-21
DK331984D0 (da) 1984-07-06
AU575325B2 (en) 1988-07-28
JPH03121629U (fr) 1991-12-12
EP0134390A1 (fr) 1985-03-20
DK161115B (da) 1991-05-27
DE3324466C2 (de) 1986-08-28
TR21912A (tr) 1985-11-01
IN161126B (fr) 1987-10-10
JPS6037614A (ja) 1985-02-27
CA1221752A (fr) 1987-05-12
DK331984A (da) 1985-01-08
ES278942U (es) 1984-09-16
DK161115C (da) 1991-11-18
AU2883184A (en) 1985-01-10
ES278942Y (es) 1985-04-01

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