EP0617446A1 - Appareil de commande, particulierement appareil de commande de puissance pour appareil de chauffage électrique - Google Patents

Appareil de commande, particulierement appareil de commande de puissance pour appareil de chauffage électrique Download PDF

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Publication number
EP0617446A1
EP0617446A1 EP94103750A EP94103750A EP0617446A1 EP 0617446 A1 EP0617446 A1 EP 0617446A1 EP 94103750 A EP94103750 A EP 94103750A EP 94103750 A EP94103750 A EP 94103750A EP 0617446 A1 EP0617446 A1 EP 0617446A1
Authority
EP
European Patent Office
Prior art keywords
signaling device
actuator
intermediate position
cam
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
EP94103750A
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German (de)
English (en)
Other versions
EP0617446B1 (fr
Inventor
Alfred Fischer
Siegfried Mannuss
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Gerate Blanc und Fischer 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6891205&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0617446(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EGO Elektro Gerate Blanc und Fischer GmbH filed Critical EGO Elektro Gerate Blanc und Fischer GmbH
Priority to SI9430249T priority Critical patent/SI0617446T1/xx
Publication of EP0617446A1 publication Critical patent/EP0617446A1/fr
Application granted granted Critical
Publication of EP0617446B1 publication Critical patent/EP0617446B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/08—Indicators; Distinguishing marks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/12—Means for adjustment of "on" or "off" operating temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/11—Movable parts; Contacts mounted thereon with indexing means

Definitions

  • the invention relates to a control device according to the preamble of claim 1. It is expediently used to set electrical and / or similar power consumers to different operating levels.
  • an actuator can be adjusted directly and / or indirectly by hand to different power levels or the like via an intermediate gear or the like, at least one possibly largest partial travel of the associated travel path enabling an essentially stepless or approximately continuous setting.
  • Such a control device can, for example, be designed according to EP-PS 57 460 and have approximately parallel arms which project freely and are essentially firmly connected to one another, one of which runs on an actuating element of the actuator and the other carries at least one movable switching contact, with an elongated control heating or the like. obliquely to at right angles to these arms and how they can lie adjacent to the circumference of the actuating element.
  • the control heating or the like can also be roughly parallel to the European patent application 268 098 or EP-PS 194 512 Arms, on the side facing away from the control element and / or on the side of the actuator facing away from the arm.
  • a second contact also to be actuated by the actuator for all-pole disconnection or its switching arm, can be in the region of the side of the actuator facing away from it, approximately parallel or according to the German patent application 26 25 716 at an angle to the arms mentioned first.
  • the control heater with associated working expansion rod can also be rod-shaped instead of strip or plate-shaped in accordance with DE-PS 24 22 686.
  • the control device according to European patent application 339 269 can also be used to operate devices with significantly less Capacity or from essentially capacitance-free devices, such as a microwave heating or the like.
  • the control device can also be designed according to DE-OS 38 44 472 as a controller which, with a sensor possibly belonging to a hydraulic expansion system, records operating values of the consumer and can be limited to different operating values with the actuator. wherein the actuator performs an axial adjusting movement in addition to the rotary movement.
  • the control device can furthermore have, according to EP-PS 177 811 only for actuating a signaling device or the like.
  • electrical conductor tracks that interact with a sliding contact or it can be as Attachment switch can be formed, possibly on the outside of the housing of a control unit to be arranged for the operating states and to be coupled with its actuator.
  • control device can be essentially free of supply lines and / or interrupters or form an intermediate connection between two separate switching devices or similar units, possibly with an associated coupling connection for actuators.
  • the actuator can be provided as a slide and / or actuating shaft, the actuating movement of which is only possible to and fro by limiting the stop or can be continued in the same direction of movement over the entire actuating range, as is the case with an actuator which can be rotated through more than 360 ° .
  • the respective intermediate position can usually only be determined on the basis of a scale associated with the actuating handle due to the stepless adjustability, which can be cumbersome and lead to reading errors.
  • the invention has for its object to provide a control device in which disadvantages of known designs or of the type described are avoided and which in particular enables easy determination of the size of the travel path traveled and / or preferred intermediate positions in each setting process, possibly with a simpler construction Training and high functional reliability.
  • the features of claim 1 are suitable and / or means are provided with which a signal perceivable by the operator without looking at the actuation handle is emitted when one reaches, overflows or leaves one or more intermediate positions is, which is preferably very short, regardless of the movement or the standstill of the actuating handle.
  • at least one signal is expediently a signal which can be perceived by the operator by sense of touch and which is expediently transmitted via the actuating handle to the operator's hand touching it.
  • the signal could be a back and forth, possibly axial, movement of the actuating handle or a corresponding snap action acting on the handle, but it is advantageous if the handle with respect to the signal emitted by the signaling device in this transverse direction and at least is rigidly supported during this setting, or is kept essentially free of play and the signal pulse acts in and / or against the direction of adjustment, for example by a corresponding snap pulse. For reaching, leaving or driving over the respective intermediate position, this can be an increase or a decrease in the resistance moment counteracting the actuation, namely by a factor that is two to six times, in particular approximately four times, greater than this resistance moment.
  • the signals differ in the three processes, possibly by changing the sign of the change in the section modulus when reaching and leaving an intermediate position and when passing over the intermediate position in that two signal pulses of the last-mentioned type are immediately combined to form an alternating signal.
  • the signaling device works in the manner of a latching or snap device
  • the snap force is so low that the actuator is not moved by it even if it is only slightly outside the associated intermediate position and the snap members already interlocking, if necessary over inclined surfaces.
  • stepless adjustment and secure locking in the currently set state is also possible in this area, although e.g. in the case of a rotatable actuator, the arrangement can also be provided such that when the exact intermediate position is approached by a few angular degrees, the actuator is automatically transferred to this precise intermediate position by the snap or latching force.
  • the pulse generator of the signaling device is expediently located within a housing of the control unit, and the working member of this pulse generator which is moving with the actuator or the actuating handle can be rigidly connected to the actuator and / or the handle.
  • This working element can be formed by a cam curve for power control or the like provided with pulse cams, but generally steadily increasing in general, while the interacting further working element is formed by the rotor running on this curve, which picks up and adjusts the desired power level acts on a power contact or the like.
  • This cam curve can be a jacket and / or forehead curve, the pulse cams being designed such that they have no or at most a negligible influence on the power setting.
  • the first-mentioned working element can also be provided immediately afterwards or at a distance adjacent to the control curve for the operating states and be provided with pulse cams in the manner described on the basis of this control curve.
  • the signaling device is also provided directly as an actuating device for a further switching function of the control device, for example for opening and closing a pair of contacts for all-pole disconnection.
  • This switching function is expediently not influenced by reaching, leaving or overflowing the respective intermediate position.
  • at least one switching operation can be triggered here via the signaling device, in which case the signaling device then causes the control cam or the actuating element for the operating states to be snapped in place by resilient latching, which itself via his runner or the like is not exposed to immediate detent, but could be moved out of this position in both opposite directions without rest.
  • the actuating element In an intermediate position, which immediately adjoins this off position and represents, for example, the setting to the lowest power level, the actuating element can be latched both directly by its rotor and additionally by the signaling device.
  • the signal on reaching, leaving and / or passing over the off position or the like expediently differs from the corresponding signal with respect to at least one further intermediate position, the change in the section modulus associated with this signal advantageously being greater than with at least one further intermediate position.
  • the off-intermediate position is emphasized with respect to the signal compared to the other intermediate positions, and it can only be used on the basis of the signal as a reference basis for setting processes.
  • the respective cam of the actuating element or of the working member of the signaling device which moves with it can be formed by a depression and / or an elevation.
  • a cam in particular that of the off position or the like associated cams, expediently goes up to one across it lying end face through which it forms a possibly inclined insertion surface to bring the associated rotor during assembly into engagement with this cam that the rotor is automatically pushed back against its spring force directed against the cam.
  • At least one cam flank of one or most of preferably a total of four to eighteen, in particular about seven intermediate positions advantageously goes very flat or at a large obtuse angle of more than 90 or 100 to 150 or 170 ° into the subsequent, essentially latching or incline-free curve sections, this slope to the apex of the respective locking cam expediently decreasing towards zero, for example due to an arcuate curvature.
  • the force acting on the actuator by the signaling device can also be kept below the counteracting frictional force when the rotor of the signaling device is already in engagement with such a flank.
  • the apex height of the respective cam can be less than one or half a millimeter or the cam width can be 4 to 6 times greater than the cam depth or cam height.
  • the cam height associated with the off position is advantageously substantially or several times greater, for example 8 to 15 times larger.
  • One or both flank angles of this cam are also steeper than those of the other intermediate positions.
  • the flank that has an intermediate position belonging directly to the off cam can rise at a smaller or a larger angle than the flanks of the other intermediate positions and, compared to them, also rise over a greater or smaller height, so that a differentially different one also when moving from the last intermediate position to the off position Signal is emitted.
  • the control unit 1 has a housing-shaped base body 2 with an approximately rectangular housing shell 3 and two approximately parallel end walls 4, 5, of which one wall 4 is designed as a separate plate-shaped cover or as a mounting plate for essentially all functional parts of the control unit. 2, a wall 4 formed in one piece with the housing jacket 3 can also be provided as the mounting board.
  • an actuator 6 lying essentially within the housing is rotatably mounted with two bearing or plug pins 7, 8 which engage in bearing openings in the end walls 4, 5.
  • the end wall 5 is provided with fasteners for fastening the control device to the inside of a device board so that a stub shaft 9 protrudes from the front thereof, which is inserted in a rotationally locking manner into an opening of the associated plug pin 8 or the actuator 6 and for likewise rotationally locking fastening an outside the handle 11 lying in the form of a rotary knob lying in the axis 10 is used.
  • a coupling member 12 protruding from the outside of the associated end wall 4 for the rotational connection with a connecting shaft, which can form, for example, an actuator of a connecting or additional device to be flanged to the base body 2, which can also accommodate a signaling device.
  • the curve of the actuating element 13, which is arranged about the axis 10 and is related to this axis 10, has a highest cam 15 and, following its two flanks, a cam 16, 17 and between these a stepless gradient path 18 over most of its circumference.
  • this determines the respective operating level of a control device, e.g. of a circuit breaker 20, an area adjacent to the recess determining the latching recess 16 the lowest and the latching recess 17 the highest operating level, while the cam 15 switches off the consumer to be connected.
  • the circuit breaker 20 is clocked by a working bimetal 21 and a control heater 22, the relative operating time depending on the position of the actuating element 13 changing in that the working bimetal 21 about an axis approximately parallel to the axis 10 on the end wall 4 mounted rotor 14 presses a transmission member of the thermoplastic member 21 or the like. More or less against a spring arm of the movable contact and thereby brings it more or less close to its switching point.
  • contact arrangements of an isolating contact 23 for a second feed line or the like and a signal contact 24 are provided, which e.g. is used to control a signal device or the like.
  • the movable contact of the signal contact 24 is carried along by a driver 25 from the movable contact of the isolating contact 23, which in turn is controlled via a control cam separate from the actuating element 13 so that it, like the signal contact 24, is effective in its one, e.g. closed, operating position, while it is in its other operating position when the curve section 15 is effective.
  • the movable contact of the isolating contact 23 is mounted on a base 26 fastened to the end wall 4 via a movable supporting part.
  • the base 26 has an additional transmission part in the form of a spring 27, an arm or the like, which is moved with the support part and moves the driver 25.
  • the control arrangement including the switch 20 is on one side and the control arrangement including the contacts 23, 24 on the other side.
  • the mentioned bases 19, 26 and further bases are each inserted into through openings in the end wall 4 so that they sat on the outside of connecting members 29, e.g. Form tabs for device and supply lines.
  • a signaling device 30 is integrated, the signals of which act mechanically on the handle 11 in the direction of rotation via the actuator 6 and the plug pin 7 in the manner of snap pulses.
  • the notification device 30 has two continuously Spring force in engagement with each other working members 31, 32, namely a working member 31 formed rigidly or in one piece with the actuating element 13 in the form of a control cam and a working member 32 mounted separately on the end wall 4 in the form of a rotor 32 sliding on the curve 31 , which is spring-loaded against the axis 10.
  • the working member 31 is formed over an arc angle corresponding approximately to the common arc angle of the curve sections 16 to 18 essentially as a slope-free or cylindrical circumferential curve 33, which is, however, interrupted by essentially the same intermediate cams 34 and is connected at its ends to limit cams 36, between which one Rest cam 35 lies.
  • the cams 34, 36 which act in the manner of micro-catches, are depressions here, while the rotor 32 is a corresponding projection, but both the associated snap or locking members could each have the negative shape of the shape shown.
  • the rest cam 35 which is also designed as a depression, has a much greater cam depth than the other cams and therefore determines a latching position that can only be overcome by a much higher force.
  • the working member 31 can be rotated with the actuator 6 from any position in both opposite directions, so that both flanks of each cam can overrun the rotor 32.
  • the respective intermediate cam 34 is arcuate or part-circular in cross-section and extends with respect to its axis of curvature over an arc angle of less than 90 ° or between 70 ° and 80 °.
  • Each of the identically designed intermediate cams 34 borders with two flanks 38 lying on both sides of its deepest apex 37 at a sharp angle to the circumferential curve 33, its blunt flank slope 53 being greater in relation to this circumferential curve 33 in the transition region than 120 ° or 130 °.
  • the obtuse flank angle 54 between its two flanks 38 is also approximately of this order of magnitude, the intermediate cam 34 being approximately symmetrical to the central plane going to its apex 37.
  • the intermediate cams 34 form flat, cow-shaped depressions, against which the rotor 32 can rest over the entire cam width over the entire area or up to the transitions into the circumferential curve 33.
  • flanks 43, 44 adjacent to the resting cam 35 are substantially longer about the axis 10 than the flanks 38, the limit cam 36 belonging to the flank 43 determining the highest operating level and the limit cam 36 belonging to the flank 44 determining the lowest operating level.
  • the flank slope of the flank of the limit cam 36 adjoining the circumferential curve 33 and also its apex configuration corresponds to that of the intermediate cam 34.
  • the flank slope 56 of the flank flank 44 is flatter at about 150 ° than that of the flank 38, while the corresponding flank slope of the shorter flank 43 its extreme end can be smaller than the respective flank 38, 44.
  • flank height of the boundary flanks 43, 44 related to the axis 10 is greater than the cam height of the circumferential curve 33, the flank 43 with the associated flank 41 and the flank 44 with the associated flank 42 of the rest cam 35 each having an approximately acute angle Cam humps 39 and 40 limited.
  • flanks 41, 43 merge into one another via an approximately pointed cusp apex 45 and the flanks 42, 44 merge into one another via a more rounded cusp apex 46, both cusp apexes 45, 46 having approximately the same cam height and a larger cam height than the circumferential curve 33.
  • the flank slope 55 adjoining the peak 46 of the degressively increasing slope Flank 42 is steeper than that of the degressively rising flank 41, the progressively rising flank 38 or 43 and the approximately linearly rising flank 44, it being possible for the flank slopes of the two flanks 41, 43 to be approximately the same size.
  • the cams 35, 36 and the cam bumps 39, 40 are each designed asymmetrically to their apex or central plane.
  • the flank angle 57 of the cam bump 39, 40 is below 90 ° in a range between 65 ° and 80 °, it being possible for one cam bump 39 to be more acute than the other cam bump 40.
  • the smallest flank angle of the limit cam 36 can be smaller or larger than the flank angle 54 and thus be on both sides of the resting cam 35 e.g. distinguish in that the flank angle of the limit cam 36 belonging to the cam hump 39 is smaller than the flank angle of at least one intermediate cam 34 and the other limit cam 36; The same also applies to the largest flank angle of the rest cam 35.
  • the cam apex including the adjoining flank sections, is designed similarly to the intermediate cam 34, as a result of which the flank 41, 42 is curved in an S shape between this cam apex and the cusp apex 45, 46.
  • the effective width of the cam 35 corresponding to the distance between the cam bumps 45, 46 is at least two or three to four times larger than the cam width of the cam 34.
  • the corresponding cam widths of the cams 36 are approximately half that of the cam 35, but about a third larger than the cam 34, the cam 36 belonging to the flank 43 being narrower than the other limit cam 36.
  • the rotor 32 has a convex or part-circular curved running surface which is closely matched to the cam apex and one or both of the adjoining flanks 38 and is by a formed approximately in a U-shape from a strip-shaped swivel or signal arm 50 formed transversely to the plane of the strip, the U-legs of which are less than a quarter-circle curved and in one piece merge into the respective subsequent arm section.
  • Both arm sections each form jointly or independently acting or movable bending springs, one of which extends from the base 26 to the rotor 32 and serves to press it on, while the other extends from the rotor 32 to the isolating contact 23 and for the resilient contact pressure thereof movable contact is used.
  • the arm section guiding the rotor 32 can thus have a substantially greater spring force than the arm section guiding the isolating contact 23, in spite of otherwise approximately the same cross sections or length, in that it is supported essentially rigidly or via a resilient intermediate member on the spring 27, for example in the region , in which this spring 27 acts on the driver 25.
  • the cam hump 45, 46 lies with the smallest gap distance directly adjacent to the associated flat side of the signal arm 50, which consists of a resilient metal like the rotor 32, and to the concave transition surfaces to the rotor 32. Due to the different flanks 41, 42, either the effective different lever length of the signal arm 50 can be taken into account in such a way that approximately the same signal pulse is emitted in the case of actuating movements in both adjusting directions, or different signal pulses can be provided for this. For example, from the rest or off position, a smaller adjustment path with a higher section modulus is required to reach the cusp apex 46 than to reach the cusp apex 45.
  • the rotor 32 As soon as the rotor 32 has passed the respective cusp apex 45, 46, it presses resiliently against the associated flank 41, 42 in such a way that the actuator 6 is rotated into its exact off position and is held in the adjusting direction without play.
  • the rotor 32 When the rotor 32 is located in the limit cam of the cam hump 40, the rotor 14 expediently lies approximately in the locking cam 16, while when the rotor vertex engages in the hump vertex 46, the rotor 14 expediently lies at the associated beginning of the slope-free section of the off cam 15.
  • the rotor 14 can already lie adjacent to the cam 17 on the incline 18, while the cam 17 is passed through on the flank 41 when the rotor 32 slides along, so that this cam 17 is not a latching cam .
  • the actuator 6 is automatically adjusted under the effective spring forces until the rotor 32 has reached the cam base of the limit cam 36.
  • the spring arms of the switch 20, the switch base 19 and the rotor 32 and the signal arm 50, respectively, in a plane axially offset from the actuating element 13 relative to the end wall 4 are overlapped by the control element 13.
  • the actuator 6 forms an intermediate section 52 between this and the largest diameter of the working member 31, the half diameter of which is smaller than the smallest radial extent of the actuating element 13 and larger than the greatest radial extent of the working member 31.
  • the plug 7 directly adjoining the working member 31 has a smaller half diameter than the smallest radial extent of the working member 31 in the area of the intermediate cam 34, so that there is an approximately annular front shoulder between each of the sections mentioned.
  • This is interrupted between the cam bumps 39, 40 by an axial insertion surface 47, which practically forms an approximately axial continuation of the resting cam 35 and to the end face 49 of the plug pin 7 facing away from the working member 31 changes into an inclined insertion surface 48, which in axial view relates to the associated one End of the actuator 6 is exposed.
  • the insertion surface 48 initially runs onto the rotor 32 and presses it radially outward against its spring force so that it slides onto the insertion surface 47 until the actuating element 13 in the area of the cam 15 with its end face runs onto the rotor 14, the rotor 32 may already have reached a first section of the resting cam 35.
  • the cam 16 can be brought into the area of the rotor 14 and the actuator 6 can thereby be completely moved into its axial operating position.
  • the assembly can be carried out in a simple manner with an automatic handling machine, the actuator 6 being mounted according to the contact arrangements and the signaling device 30.
  • the design according to the invention enables a very precise and essentially stepless adjustment between the limit cams 36 via the circumferential curve 33, the contacts 23, 24 being approximately between half the height of the flanks 41, 42 and over the cusp apex 45, 46 and over all the remaining circumferential sections 33, 34, 36 of the working member 31 are transferred into their, possibly closed, operating position and are held continuously in this position.
  • the intermediate positions 34 are passed through, lighter snapping vibrations and stronger when the limit positions 36 are passed through can be felt.
  • the control device is provided, in particular, for thermally relatively low-mass consumers 58, such as radiant heaters. 8 is connected in parallel to the consumer 58, or between the fixed contact of the isolating contact 23 and the spring arm of the switch 20, namely via the actuator 21, and actuates the switch 20 between opening and closing in a clocked manner.
  • the consumer 58 preferably has only a single heating circuit or heating resistor.
  • a plurality of control units of the same or different design can also be combined to form a control unit, at least one of which can have no signaling device, while separately operable control units can have different or the same signaling devices.

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  • Mechanical Control Devices (AREA)
  • Control Of Resistance Heating (AREA)
EP94103750A 1993-03-25 1994-03-11 Appareil de commande, particulierement appareil de commande de puissance pour appareil de chauffage électrique Revoked EP0617446B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9430249T SI0617446T1 (en) 1993-03-25 1994-03-11 Control apparatus, particularly power control apparatus for electric heating apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9304533U 1993-03-25
DE9304533U DE9304533U1 (de) 1993-03-25 1993-03-25 Steuergerät, insbesondere Leistungs-Steuergerät für Elektro-Wärmegeräte

Publications (2)

Publication Number Publication Date
EP0617446A1 true EP0617446A1 (fr) 1994-09-28
EP0617446B1 EP0617446B1 (fr) 1999-02-24

Family

ID=6891205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94103750A Revoked EP0617446B1 (fr) 1993-03-25 1994-03-11 Appareil de commande, particulierement appareil de commande de puissance pour appareil de chauffage électrique

Country Status (4)

Country Link
EP (1) EP0617446B1 (fr)
DE (2) DE9304533U1 (fr)
ES (1) ES2131128T3 (fr)
SI (1) SI0617446T1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018007155A1 (fr) * 2016-07-04 2018-01-11 Arcelik Anonim Sirketi Appareil ménager comportant un organe de commande rotatif étagé

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813173A (en) * 1955-06-21 1957-11-12 Westinghouse Electric Corp Thermal cycling switch
CH333850A (de) * 1955-08-08 1958-11-15 Elcalor Ag Regulierschalter mit einem Bimetallschaltelement
US3083282A (en) * 1959-07-13 1963-03-26 Stevens Mfg Co Inc Infinite control switch
EP0194512A2 (fr) * 1985-03-08 1986-09-17 E.G.O. Elektrogeräte AG Chauffage électrique pour un bimétal, en particulier pour un régulateur électrique de puissance
FR2597997A1 (fr) * 1986-04-25 1987-10-30 Ciapem Dispositif de selection et de controle de temperatures
DE3702819A1 (de) * 1987-01-30 1988-08-11 Robert Seuffer Gmbh & Co Drehschalter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421049A (en) * 1965-12-06 1969-01-07 Lloyd B Logan Sequencing device for displaying lighting
DE1565846A1 (de) * 1966-11-22 1970-05-14 Siemens Elektrogeraete Gmbh Schalteinrichtung fuer elektrische Waermegeraete
DE2362462A1 (de) * 1973-12-15 1975-06-26 Ego Elektro Blanc & Fischer Regler fuer elektrokochgeraete
DE2625716C3 (de) * 1976-06-09 1979-10-11 E.G.O. Elektro-Geraete Blanc U. Fischer, 7519 Oberderdingen Leistungssteuergerät
DE3639186A1 (de) * 1986-11-15 1988-05-26 Ego Elektro Blanc & Fischer Elektro-schaltgeraet, insbesondere zur leistungssteuerung
DE3813798A1 (de) * 1988-04-23 1989-11-02 Ego Elektro Blanc & Fischer Schaltgeraet fuer waermegeraete oder dgl.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813173A (en) * 1955-06-21 1957-11-12 Westinghouse Electric Corp Thermal cycling switch
CH333850A (de) * 1955-08-08 1958-11-15 Elcalor Ag Regulierschalter mit einem Bimetallschaltelement
US3083282A (en) * 1959-07-13 1963-03-26 Stevens Mfg Co Inc Infinite control switch
EP0194512A2 (fr) * 1985-03-08 1986-09-17 E.G.O. Elektrogeräte AG Chauffage électrique pour un bimétal, en particulier pour un régulateur électrique de puissance
FR2597997A1 (fr) * 1986-04-25 1987-10-30 Ciapem Dispositif de selection et de controle de temperatures
DE3702819A1 (de) * 1987-01-30 1988-08-11 Robert Seuffer Gmbh & Co Drehschalter

Also Published As

Publication number Publication date
DE59407834D1 (de) 1999-04-01
DE9304533U1 (de) 1993-05-19
EP0617446B1 (fr) 1999-02-24
SI0617446T1 (en) 1999-08-31
ES2131128T3 (es) 1999-07-16

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