EP0651411A1 - Commutateur dépendant de la température - Google Patents

Commutateur dépendant de la température Download PDF

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Publication number
EP0651411A1
EP0651411A1 EP94115910A EP94115910A EP0651411A1 EP 0651411 A1 EP0651411 A1 EP 0651411A1 EP 94115910 A EP94115910 A EP 94115910A EP 94115910 A EP94115910 A EP 94115910A EP 0651411 A1 EP0651411 A1 EP 0651411A1
Authority
EP
European Patent Office
Prior art keywords
housing part
cover part
switch according
temperature
contact
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.)
Granted
Application number
EP94115910A
Other languages
German (de)
English (en)
Other versions
EP0651411B1 (fr
Inventor
Peter Hofsäss
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.)
Hofsass Benjamin Michael
Hofsass Carola Rika
Hofsass Denise Petra
Hofsass Henrik Peter
Hofsass Marcel Peter
Hofsass Ulrika
Original Assignee
Hofsass Benjamin Michael
Hofsass Carola Rika
Hofsass Denise Petra
Hofsass Henrik Peter
Hofsass Marcel Peter
Hofsass Ulrika
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 Hofsass Benjamin Michael, Hofsass Carola Rika, Hofsass Denise Petra, Hofsass Henrik Peter, Hofsass Marcel Peter, Hofsass Ulrika filed Critical Hofsass Benjamin Michael
Priority to EP96104863A priority Critical patent/EP0721199B1/fr
Publication of EP0651411A1 publication Critical patent/EP0651411A1/fr
Application granted granted Critical
Publication of EP0651411B1 publication Critical patent/EP0651411B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H2001/5894—Electric connections to or between contacts; Terminals the extension of the contact being welded to a wire or a bus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
    • H01H37/5436—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing mounted on controlled apparatus

Definitions

  • the invention relates to a temperature-dependent switch for opening and closing a circuit as a function of the temperature of a bimetal part, with an electrically conductive housing part which has an underside, an electrically conductive cover part for closing the housing part, an insulating washer arranged between the housing part and the cover part, which the housing part electrically opposite the cover part insulated, and a switching mechanism arranged in the housing part, which, depending on the temperature of the bimetal part, makes or opens an electrical contact between the housing part and the cover part, the circuit being connectable on the one hand to the cover part and on the other hand to the housing part.
  • the known switches are used to monitor the temperature of a device. For this purpose, for example, they are brought into contact with the winding of a motor via their underside, so that the temperature of the winding influences the temperature of the bimetal part. If the switching temperature is exceeded, the switch mechanism opens the connection between the cover part and the housing part and the circuit above it is interrupted. If the temperature drops, the circuit is closed again, although this does not necessarily have to be the case; bistable temperature-dependent switches are also known.
  • the known switches are usually assembled with connecting leads, which are soldered on the one hand to the cover part and on the other hand to an edge of the housing part.
  • the bottom of the housing part is not available for connecting a stranded wire because this would hinder the temperature transition to the monitored device. But even in such switches in which the underside of the housing part is not in direct contact with a monitored device, a connection on the underside of the housing part is undesirable because this would lead to a greater height of the temperature-dependent switch.
  • the cover part is inserted into the housing part and the raised edge of the housing part is flanged so that it clamps the cover part firmly.
  • the stranded wire which makes contact with the housing part is then soldered to this flanged edge.
  • the second lead is soldered directly onto the cover part.
  • a similar temperature-dependent switch is known from DE-OS 21 21 802, which has a two-part housing.
  • a connection tab is provided on the cover part and on the housing part, which is possible there because of the two-part housing.
  • the upper housing part overlapping the lower housing part is provided with a recess in its peripheral edge through which the connecting lug of the lower housing part extends outwards.
  • the generic switch has the advantage that the cover part is inserted into a housing part, which leads to greater pressure stability, but has the disadvantage that the leads must be soldered.
  • the insulating washer is placed separately from the upper housing part, so that the insulating washer, which has a very low weight, can easily slip during manufacture.
  • the switching mechanism has a spring washer, into which a contact part is inserted, which comes into contact with the upper housing part.
  • a bimetallic snap disk is placed over the spring washer, which is accommodated in the housing without forces below the switching temperature. The current flows through the conductive upper housing part, the contact part, the spring washer and the lower housing part, on which the spring washer is supported. If the switching temperature is exceeded, the bimetallic snap disk snaps and presses the spring washer with its contact away from the upper housing part.
  • the contact part is provided with a ring, via which it is clamped between the spring washer and the bimetallic snap disk.
  • the contact part must be inserted, so to speak, "loosely” so that no mechanical stresses or forces are exerted on the spring washer, which would otherwise influence their movements.
  • this object is achieved in the case of the temperature-dependent switch mentioned at the outset in that the housing part is provided with an outer shoulder set back relative to the underside.
  • a stranded wire can now be connected to this shoulder, which is set back relative to the underside, without this influencing the overall height or the temperature contact possibly made via the underside of the housing part.
  • the wire can now not only on the cover part but also on the shoulder e.g. can be welded by electro spot welding, which is considerably faster than the soldering known from the prior art.
  • the measure of providing the shoulder already leads to a significant improvement in the manufacture and assembly of the new temperature-dependent switches.
  • the switching mechanism comprises an electrically conductive spring washer, which works against the bimetal part depending on the temperature, is supported on the housing part and carries a contact part which, depending on the temperature of the bimetal part, is in contact arrives with the cover part and thus establishes the electrical contact between the housing part and the cover part, the bimetallic part preferably being a bimetallic snap disk.
  • the contact part is preferably firmly attached to the spring washer by welding.
  • connection lug is provided which is connected to the shoulder by its first end, preferably by welding, and whose second end, remote from the first end, serves as a connection.
  • Another advantage here is that because of the small thickness of the connecting lug, the shoulder only has to be set back slightly from the underside, which further reduces the overall height. The wire can then be welded to the second end of this terminal lug. Although two welding processes are required here to establish the connection between the strand and the housing part, this takes place overall in a considerably shorter time than that from the stand the soldering of the strand, known in the art, to the flanged edge of the housing part.
  • Another advantage here is that the mechanical tensile strength in the new connection made via the connecting lug is considerably better than in the case of the soldered connection at the flanged edge.
  • the shoulder is a circumferential ring shoulder and the first end of the connecting lug is annular.
  • connecting lug is angled such that its second end is set back relative to the shoulder.
  • the prefabricated switch advantageously has a low overall height, since the connecting lug and the wire do not project above or below the switch.
  • connection lug which is connected to the cover part by its first end, preferably by welding, and whose second end, remote from the first end, serves as a connection.
  • connection lug This has the same advantages as with the first connection lug, the overall height of the switch is reduced again.
  • connecting lug which has a very small thickness, has to be welded onto the cover part, while the stranded wire can be welded outside the contour of the switch in order to enable connection to the circuit.
  • the further terminal lug is angled such that its second end is set back from the first end.
  • the two connecting lugs are stamped parts, preferably made of sheet metal.
  • the advantage here is that the connecting lugs themselves can be produced quickly and inexpensively, so that the overall costs for the manufacture and assembly of the new switch are significantly reduced compared to the prior art.
  • the housing part is a deep-drawn housing part.
  • Such a deep-drawn housing part is very inexpensive to manufacture, so that the overall costs in the manufacture of the new switch are advantageously reduced.
  • a mating contact for the contact part is provided in the cover part.
  • the advantage here is that a low contact resistance between the spring washer and the cover part is made possible in an inexpensive and simple manner.
  • the second terminal lug and the mating contact are welded on in one operation.
  • the insulating washer is already fixed to the cover part before the switch is assembled.
  • the insulating disk is glued to the cover part at least in sections.
  • the cover part and the insulating washer can first be manufactured separately and then glued together.
  • the required center hole can be made in the insulating washer, through which the contact part of the spring washer can come into contact with the cover part or the mating contact attached to it.
  • the latter option namely to first glue a sheet and an insulating paper to one another, has a surprising advantage in production, because not only does the positioning between the insulating washer and the cover part during assembly fall, but also the alignment when the insulating washer is previously fixed to the invention Cover part away.
  • 10 is a temperature-dependent switch for temperature-dependent opening and closing of a circuit.
  • the switch 10 comprises a housing part 12 which, with its underside 13, connects to a device (not shown in FIG. 1) or e.g. the excitation winding of a motor can be applied so that the temperature of the device or the motor influences the switching behavior of the switch in a manner to be described in more detail.
  • the housing part 12 has a raised edge 14 and essentially has a circular plan.
  • a switching mechanism 15 which, depending on the temperature of the monitored device, makes or opens an electrical contact between the housing part 12 and a cover part 16.
  • An insulating disk 17 is arranged between the cover part 16 and the housing part 12 and electrically insulates the housing part 12 from the cover part 16.
  • the insulating washer 17 is folded up around the cover part 16 in FIG. 1 so that it insulates the cover part 16 along its entire circumference 18 from the edge 14.
  • the inserted in the raised edge 14 cover part 16 and the insulating washer 17 are held in the housing part 12 in that the edge 14 is flanged at its upper end 19. In this way, the switching mechanism 15 is tightly received in the switch 10, an edge region 20 of the insulating disk 17 projecting upward.
  • the switching mechanism 15 comprises a spring washer 21 to which a contact part 22 is welded.
  • this contact part 22 extends through a central hole 23 in the insulating disk 17 to a mating contact 24 which is welded to the cover part 16 on the inside.
  • the spring washer 21 presses the contact part 22 against the counter contact 24 and thus ensures a low contact resistance between these two contacts.
  • the spring washer 21, on the other hand, is supported in the interior of the housing part 12 on a circumferential bead 25. Since both the housing part 12, as well as the cover part 16 and the spring washer 17 are made of electrically conductive material, the switching mechanism 15 thus makes electrical contact between the housing part 12 and the cover part 16.
  • a bimetallic part 26 is arranged between the spring washer 21 and the insulating washer 17, which is here a bimetallic snap disc 27 which likewise has a central hole through which the contact part 22 extends.
  • the bimetallic snap disk 27 In the position shown in Fig. 1, the bimetallic snap disk 27 is without power, the switching temperature has not yet been reached. If the temperature of the monitored device increases, this will e.g. transmitted via the bottom 13 or via the connections. This also increases the temperature of the bimetallic snap disk 27, so that it snaps and presses the spring washer 21 downward in FIG. 1, so that the contact part 22 is released from the mating contact 24 and opens the electrical contact between the housing part 12 and the cover part 16.
  • the switch 10 described so far is provided with connecting leads 31, of which only the connecting lead 31 a is shown in FIG. 1, which has its stripped end 32 on the cover part 16 is welded on.
  • the contact to the housing part 12 takes place via a connecting lug 33 which is ring-shaped at one end 34.
  • the connecting lug 33 is supported on an outer circumferential shoulder 35 of the housing part 12, which is set back relative to the underside 13.
  • the extent of the shoulder 35 being set back and the thickness of the connecting lug 33 are selected such that the connecting lug 33 does not protrude downward beyond the housing part 12 in the region of its annular end 34. In this way, a low overall height is made possible and, on the other hand, the underside 13, if desired, can be supported directly on the device to be monitored, which ensures good heat transfer.
  • first connecting lug 33 is angled such that its second end 36, which is remote from the first end 34, is set back relative to the shoulder 35. At this second end 36, the further connecting cord, which cannot be seen in FIG.
  • FIG. 2 shows a temperature-dependent switch 10 ', in which the connection to the cover part 12 also takes place via a further connecting lug 38.
  • the second connecting lug 38 is welded with its first end 39 to the outside of the cover part 16 and further angled such that its second end 40, which is remote from the first end 39, is set back in relation to the first end 39 in FIG. 2.
  • the arrangement is such that the second end 40 of the second connecting lug 38 is radially offset, but is approximately at the same height as the second end 36 of the first connecting lug 33.
  • the switch 10 ' corresponds to the switch 10 from FIG. 1. Only the center hole 23 of the insulating disk 17 is made larger in the switch 10' than in the switch 10.
  • the cover part 12, to which the insulating washer 17 is glued in a manner to be described in more detail, is first provided with the mating contact 24 and the second connecting lug 38 before it is pressed into the housing part 12. Thereafter, the raised edge 14 is flanged at its upper end 19, whereupon the manufacture of the switches 10, 10 'has ended.
  • the connecting leads 31 are welded onto the second ends 36 and 40 of the connecting lugs 33 and 38, respectively. This welding takes place outside the outline contour of the switch 10 'and can be implemented in a simple, quick and inexpensive manner by welding, preferably by means of electric spot welding.
  • the assembly of the switches 10, 10 ′ is carried out by the insulating disk 17 fixed to the cover part 16 prior to production and by the contact part 22 attached to the spring washer 21. very simple, no complex positioning is required. Because all fastenings can be produced by welding, not only the manufacture, but also the assembly with connecting leads 31 can be carried out simply, quickly and inexpensively.
  • FIG. 3 the switch 10 of Fig. 1 is shown in a plan view from above, so that in addition to the connecting wire 31a, the connecting wire 31b can be seen, which is welded with its stripped end 32b to the second end 36 of the first connecting lug 33 .
  • FIG. 4 shows the switch 10 'from FIG. 2 in a top view, the welded connecting leads 31a and 31b being shown here.
  • Fig. 5 shows the first terminal lug 33 and the second terminal lug 38, which are manufactured as inexpensive stamped parts, preferably made of sheet metal.
  • the connecting lugs 33 and 38 are connected via connecting webs 41 and 42 to a transport web 43 in which transport holes 44 are provided. 5 is only a partial illustration, the transport web 43 is extended upwards and downwards in FIG. 5 and carries further connecting lugs 33 and 39 there.
  • the sheet metal 47 with the sheet 48 glued thereon is further processed in a pressing and stamping process with a controlled depth of cut, so that the cover part 16 shown in FIG. 7 with the insulating disk 17 adhered thereto is produced.
  • Fig. 7 it can be seen that the insulating disc 17 with its edge region 20 protrudes beyond the circumference 18 of the cover part 16. This edge region 20 folds upwards when the cover part 16 is introduced into the housing part 12 and ensures the lateral insulation between the cover part 16 and the housing part 12.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Control Of Combustion (AREA)
EP94115910A 1993-10-30 1994-10-08 Commutateur dépendant de la température Expired - Lifetime EP0651411B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP96104863A EP0721199B1 (fr) 1993-10-30 1994-10-08 Cummutateur dépendant de la température

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4337141 1993-10-30
DE4337141A DE4337141C2 (de) 1993-10-30 1993-10-30 Temperaturabhängiger Schalter

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP96104863A Division EP0721199B1 (fr) 1993-10-30 1994-10-08 Cummutateur dépendant de la température
EP96104863.4 Division-Into 1994-10-08

Publications (2)

Publication Number Publication Date
EP0651411A1 true EP0651411A1 (fr) 1995-05-03
EP0651411B1 EP0651411B1 (fr) 1997-01-22

Family

ID=6501453

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94115910A Expired - Lifetime EP0651411B1 (fr) 1993-10-30 1994-10-08 Commutateur dépendant de la température
EP96104863A Expired - Lifetime EP0721199B1 (fr) 1993-10-30 1994-10-08 Cummutateur dépendant de la température

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP96104863A Expired - Lifetime EP0721199B1 (fr) 1993-10-30 1994-10-08 Cummutateur dépendant de la température

Country Status (5)

Country Link
US (1) US5670930A (fr)
EP (2) EP0651411B1 (fr)
AT (2) ATE175811T1 (fr)
DE (4) DE4345350C2 (fr)
ES (2) ES2129903T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0794546A2 (fr) * 1996-03-09 1997-09-10 Thermik Gerätebau GmbH Interrupteur avec un mécanisme de commutation sensible à la température
EP0813215A1 (fr) * 1996-06-13 1997-12-17 Marcel Peter Hofsäss Thermostat avec une feuille de Kapton
WO1999010941A1 (fr) * 1997-08-22 1999-03-04 Duracell Inc. Rupteur de courant pour piles electrochimiques
US20160141128A1 (en) * 2014-11-18 2016-05-19 Thermik Geraetebau Gmbh Temperature-dependent switch
EP3136416A1 (fr) * 2015-08-27 2017-03-01 Marcel P. Hofsaess Commutateur thermodépendant comprenant un dispositif de coupe

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19546004C2 (de) * 1995-12-09 1998-01-15 Hofsaes Marcel Schalter mit einem bei Übertemperatur schaltenden Schaltwerk
DE19545997C2 (de) * 1995-12-09 1997-12-18 Marcel Hofsaes Schalter mit einem temperaturabhängigen Schaltwerk
DE19636640C2 (de) * 1996-09-10 1999-02-18 Marcel Hofsaes Schalter mit einem Sicherheitselement
DE19708436C2 (de) * 1997-03-01 1999-08-19 Hofsaes Temperaturabhängiger Schalter mit Kontaktbrücke und Verfahren zu dessen Herstellung
DE19705154C2 (de) * 1997-02-11 1999-06-02 Thermik Geraetebau Gmbh Temperaturabhängiger Schalter mit einem Bimetall-Schaltwerk
DE19705410C2 (de) * 1997-02-13 1999-02-11 Thermik Geraetebau Gmbh Temperaturabhängiger Schalter mit Haltebügel
US6781504B2 (en) * 2001-08-14 2004-08-24 Honeywell International, Inc. Thermal switch adapter
DE10156884A1 (de) 2001-11-20 2003-05-28 Zeiss Carl Smt Ag Vorrichtung zur Halterung einer Fassung eines optischen Elements
DE102009030353B3 (de) * 2009-06-22 2010-12-02 Hofsaess, Marcel P. Kappe für einen temperaturabhängigen Schalter sowie Verfahren zur Fertigung eines temperaturabhängigen Schalters
DE102009039948A1 (de) * 2009-08-27 2011-03-03 Hofsaess, Marcel P. Temperaturabhängiger Schalter
GB2481240B (en) * 2010-06-17 2017-04-12 Otter Controls Ltd Thermally responsive electric switches
DE102011107110B4 (de) * 2011-07-12 2013-04-18 Marcel P. HOFSAESS Verfahren zum Umgeben eines elektrischen Bauteils mit einem Schutzgehäuse sowie elektrisches Bauteil mit einem Schutzgehäuse
DE102011119637B4 (de) 2011-11-22 2013-06-06 Marcel P. HOFSAESS Temperaturabhängiger Schalter mit einem temperaturabhängigen Schaltwerk sowie Verfahren zum Herstellen eines solchen Schalters
DE102011119632B3 (de) 2011-11-22 2013-04-11 Marcel P. HOFSAESS Temperaturabhängiges Schaltwerk
DE102011119633B3 (de) * 2011-11-22 2013-04-11 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102013109291A1 (de) 2013-08-27 2015-03-05 Thermik Gerätebau GmbH Temperaturabhängiger Schalter mit am Rand eingeklemmter Schnappscheibe
DE102013017232A1 (de) 2013-10-17 2015-04-23 Thermik Gerätebau GmbH Temperaturabhängiges Schaltwerk
DE102014108518A1 (de) 2014-06-17 2015-12-17 Thermik Gerätebau GmbH Temperaturabhängiger Schalter mit Distanzring
DE102014110260A1 (de) * 2014-07-22 2016-01-28 Thermik Gerätebau GmbH Temperaturabhängiger Schalter mit Isolierfolie
DE102019132433B4 (de) * 2019-11-29 2021-08-12 Marcel P. HOFSAESS Temperaturabhängiger Schalter und Verfahren zu dessen Herstellung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106132A1 (de) * 1970-02-11 1971-10-28 Electrovac Thermischer Schalter in Miniatur ausfuhrung
DE2121802A1 (de) * 1971-05-03 1973-01-25 Thermik Geraetebau Gmbh Temperaturwaechter
US4079348A (en) * 1976-05-27 1978-03-14 Texas Instruments Incorporated Thermally responsive electrical switch
DE2917482A1 (de) * 1979-04-30 1980-11-06 Hofsass P Waermeschutzschalter
GB2205443A (en) * 1987-06-04 1988-12-07 Alps Electric Co Ltd Terminals for pushbutton switches
DE9113825U1 (fr) * 1991-11-07 1992-12-10 Hofsaess, Peter, 7530 Pforzheim, De
DE9214544U1 (fr) * 1992-10-27 1992-12-17 Thermik Geraetebau Gmbh, 7530 Pforzheim, De

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755770A (en) * 1971-12-07 1973-08-28 Gen Electric Thermostat having improved temperature drift control means
SU1148056A1 (en) * 1983-05-24 1985-03-30 Aleksej S Lyanguzov Temperature-sensitive electric switch
DE3710672C2 (de) * 1987-03-31 1997-05-15 Hofsaes Geb Zeitz Ulrika Temperaturwächter mit einem Gehäuse
DE4142716C2 (de) * 1991-12-21 1997-01-16 Microtherm Gmbh Thermoschalter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106132A1 (de) * 1970-02-11 1971-10-28 Electrovac Thermischer Schalter in Miniatur ausfuhrung
DE2121802A1 (de) * 1971-05-03 1973-01-25 Thermik Geraetebau Gmbh Temperaturwaechter
US4079348A (en) * 1976-05-27 1978-03-14 Texas Instruments Incorporated Thermally responsive electrical switch
DE2917482A1 (de) * 1979-04-30 1980-11-06 Hofsass P Waermeschutzschalter
GB2205443A (en) * 1987-06-04 1988-12-07 Alps Electric Co Ltd Terminals for pushbutton switches
DE9113825U1 (fr) * 1991-11-07 1992-12-10 Hofsaess, Peter, 7530 Pforzheim, De
DE9214544U1 (fr) * 1992-10-27 1992-12-17 Thermik Geraetebau Gmbh, 7530 Pforzheim, De

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0794546A2 (fr) * 1996-03-09 1997-09-10 Thermik Gerätebau GmbH Interrupteur avec un mécanisme de commutation sensible à la température
EP0794546A3 (fr) * 1996-03-09 1998-10-28 Thermik Gerätebau GmbH Interrupteur avec un mécanisme de commutation sensible à la température
EP0813215A1 (fr) * 1996-06-13 1997-12-17 Marcel Peter Hofsäss Thermostat avec une feuille de Kapton
US5877671A (en) * 1996-06-13 1999-03-02 Hofsaess; Marcel Temperature controller having a polyimide film
WO1999010941A1 (fr) * 1997-08-22 1999-03-04 Duracell Inc. Rupteur de courant pour piles electrochimiques
US20160141128A1 (en) * 2014-11-18 2016-05-19 Thermik Geraetebau Gmbh Temperature-dependent switch
EP3024010A1 (fr) * 2014-11-18 2016-05-25 Thermik Gerätebau GmbH Commutateur thermique
EP3136416A1 (fr) * 2015-08-27 2017-03-01 Marcel P. Hofsaess Commutateur thermodépendant comprenant un dispositif de coupe
EP3410457A1 (fr) * 2015-08-27 2018-12-05 Marcel P. Hofsaess Commutateur thermodépendant pourvu d'une bavure de coupe
US10541096B2 (en) 2015-08-27 2020-01-21 Marcel P. HOFSAESS Temperature-dependent switch with cutting burr
US10755880B2 (en) 2015-08-27 2020-08-25 Marcel P. HOFSAESS Temperature-dependent switch with cutting burr

Also Published As

Publication number Publication date
ATE175811T1 (de) 1999-01-15
DE4337141C2 (de) 1996-06-05
DE59401649D1 (de) 1997-03-06
DE4345350C2 (de) 1997-05-22
ES2129903T3 (es) 1999-06-16
EP0721199A3 (fr) 1996-08-14
DE59407662D1 (de) 1999-02-25
EP0651411B1 (fr) 1997-01-22
EP0721199B1 (fr) 1999-01-13
ES2097598T3 (es) 1997-04-01
EP0721199A2 (fr) 1996-07-10
DE4337141A1 (de) 1995-05-04
US5670930A (en) 1997-09-23
ATE148262T1 (de) 1997-02-15

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