With Plural Bimetallic Elements Patents (Class 337/370)
  • Patent number: 9138295
    Abstract: Systems include one or more medicinal storage containers. For example, an integrally thermally sealed medicinal storage container may include one or more segments of at least one ultra efficient insulation material, the one or more segments having one or more surface regions, the one or more segments principally defining at least one storage region, one or more regions of substantially thermally sealed connections between at least one of the one or more surface regions of the one or more segments wherein the one or more regions of substantially thermally sealed connections and the one or more segments form at least one integrally thermally sealed medicinal storage region, one or more thermal variant units, and at least one selectively-operable thermal conduction unit.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: September 22, 2015
    Assignee: TOKITAE LLC
    Inventors: Roderick A. Hyde, Edward K. Y. Jung, Nathan P. Myhrvold, Clarence T. Tegreene, William Gates, Charles Whitmer, Lowell L. Wood, Jr.
  • Publication number: 20100013592
    Abstract: A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an electrical conductor at the other end. A heating element, such as a coil, can be used to selectively heat the deformable member. The controllable electronic switch can alternatively comprise a deformable member that is terminated in a wedge-shaped member. When the deformable member bends in response to being heated, the wedge-shaped member forces apart a pair of contacts thus breaking an electrical path. The wedge-shaped member and/or associated structures may be configured as a cam mechanism with multiple latching positions.
    Type: Application
    Filed: September 29, 2009
    Publication date: January 21, 2010
    Applicant: YINGCO ELECTRONIC INC.
    Inventor: Jeffrey Ying
  • Patent number: 7356913
    Abstract: A process for making microswitches or microvalves, composed of a substrate and used for shifting between a first state of functioning and a second state of functioning by means of a bimetal-effect thermal sensor. The sensor includes a deformable element attached, at opposite ends, to the substrate so that there is a natural deflection without stress with respect to a surface of the substrate opposite it, this natural deflection determining the first state of functioning, the second state of functioning being caused by the thermal sensor which, under the influence of temperature variation, induces a deformation of the deformable element which diminishes the deflection by subjecting it to a compressive force which shifts it in a direction opposite to its natural deflection by buckling.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: April 15, 2008
    Assignee: Commissariat A l'Energie Atomique
    Inventor: Yves Fouillet
  • Patent number: 6812820
    Abstract: The invention concerns a microsystem, in particular for producing microswitches or microvalves, constituted on a substrate (50) and used for producing a shift between a first operating state and a second operating state by means of a heat actuated device with bi-metal switch effect. The heat-actuated device comprises a deformable element (51) connected, by opposite ends, to the substrate (50) so as to present naturally a deflection without stress relative to the substrate surface which faces it, said natural deflection determining the first operating state, the second operating state being produced by the heat-actuated device which induces, by the effect of temperature variation, a deformation of the deformable element (51) tending to reduce its deflection and submitting it to a compressive stress by buckling effect in a direction opposite to its natural deflection.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: November 2, 2004
    Assignee: Commissariat a l'Energie Atomique
    Inventor: Yves Fouillet
  • Patent number: 6057751
    Abstract: An overheat and overload sensing device includes a thermal sensor (such as a thermal regulator) and a breaker connected in parallel and used to cut off a power supply in case of current overload. The thermal sensor usually disposed near a heat source can respond automatically to cut off a local circuit in time in the case of overheat that will make the breaker become overloaded to break off power supply.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: May 2, 2000
    Inventors: Kuang-Tsan Hung, Chun-Wei Hsu
  • Patent number: 5483216
    Abstract: A fixing method and assembly of a temperature responsive element capable of detecting variation in temperature of discharge cooling medium of a compressor exactly and rapidly and preventing the compressor from being burned. A through hole is formed in a cover 6 which covers a path 7B for discharge cooling medium of the compressor. A plug 9 is fixed to the through hole from the side of the path by a fixing member 13. In this case, it is sealed airtightly by means of a packing. Lead terminal pins penetrating the plug 9 is insulatively fixed in the plug airtightly. Leads are connected to one ends of the lead terminal pins projecting outside and the temperature responsive clement 8 is connected to the other ends of the lead terminal pins projecting on the side of the discharge path. The temperature responsive clement 8 is disposed not to come into direct contact with a vessel and the cover 6 of the compressor and is exposed to discharge cooling medium as a whole.
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: January 9, 1996
    Assignees: Ubukata Industries Co, Ltd., Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Yasukazu Mizutani, Shigemi Sato, Hideki Koseki, Ryuhei Tanigaki, Takayuki Iio
  • Patent number: 5243315
    Abstract: A thermostatic switch assembly having three individual switches vertically stacked one above the other on a base containing temperature responsive bimetal discs that operate the individual switches through actuating rods.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: September 7, 1993
    Assignee: Therm-O-Disc, Incorporated
    Inventor: Derek J. Rose
  • Patent number: 5043690
    Abstract: A thermal actuator utilizes a bimetallic snap action member such as a disc to actuate a member such as the armature of a switch to effect opening and closing of the switch. A resilient biasing member, such as an elongated curved spring member or a compressible member, engages the bimetallic member on a side opposite that of the actuated member to oppose the force exerted by the actuated member during the operation of the actuator.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: August 27, 1991
    Assignee: Sundstrand Data Control, Inc.
    Inventor: Karl H. Wahls
  • Patent number: 4970485
    Abstract: A snap action thermal actuator utilizes a pair of mechanically coupled bimetallic members having different temperature characteristics to provide a fast and positive snap action thermal actuator even when a low temperature differential is required. The actuator is particularly useful for controlling the operation of electrical contacts in a thermal switch.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: November 13, 1990
    Assignee: Sundstrand Data Control, Inc.
    Inventor: Karl H. Wahls
  • Patent number: 4942381
    Abstract: Driving element (1) comprising a thin part (2) provided with a zone, ductile in the direction of its thickness in such a way as to occupy at least two positions, in at least one of which said zone is arc-shaped, at least one tab (3, 4) fixed at one end to a face of said ductile zone and extending towards the central part of the zone in such a way that, when the zone is molded, the free end (8, 9) of said tab moves away from or towards the face (5) of said thin part, the resulting amplitude of the movement of the free end of the tab being greater than the amplitude of ductility of the thin piece.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: July 17, 1990
    Assignee: Delta Concept S.A.
    Inventor: Jean C. Cambien
  • Patent number: 4760955
    Abstract: An improved control system for controlling the heating and cooling of a building or home including an improved control device forming a component of the control system. The control device includes a lever which can pivot about a central axis intermediate the ends of the lever, each end of the lever having a bimetallic element adjacent to and above a resistance heating element. The outer end of the bimetallic element coupled to one end of the lever engages an adjustable stop. The other bimetallic element is in engagement with a resilient blade which, depending upon its operative position, controls the flow of a fluid through a tube, the fluid flow through the tube being a function of the operative condition of the adjacent bimetallic element. The fluid flow through the tube determines how a fluid-actuated controller is operated to control a valve which provides heating and cooling fluid for heating and cooling a space.
    Type: Grant
    Filed: July 29, 1987
    Date of Patent: August 2, 1988
    Inventor: James H. Turner
  • Patent number: 4563667
    Abstract: For stopping drift or other undesired changes in the response temperatures of a thermal switch using a bimetallic element for driving a moving contact, the design is such that the moving contact and a counter-contact are supported on a common insulating supporting part and the counter-contact is elastically and yieldingly fixed on the supporting part. The lengths of the bimetallic element and of the a strip supporting the counter-contact that may be moved are different to each other so that the two contacts will make contact at different points thereon and with a rubbing effect for clearing oxide and other undesired coatings forming on the said contacts.For producing such a thermal switch with multiple functions, for example the functions of a temperature automatic controller and a thermal protective device, the counter-contact, that is placed so that it may give way elastically, is acted upon by a further bimetallic element.
    Type: Grant
    Filed: September 9, 1983
    Date of Patent: January 7, 1986
    Inventor: Peter Hofsass
  • Patent number: 4555687
    Abstract: A control device is shown for a fuel supply system for an automotive engine having a heater which is energized, deenergized and then reenergized in sequence to heat a thermostat metal coil spring over a selected temperature range to regulate opening of a carburetor choke during engine warm up. Contacts are connected between a power source and the heater and a pair of dished bimetal elements having central apertures therein are arranged in facing relation to each other between the contacts, the bimetal elements being adapted to move to inverted dished configuration as they are heated to respective different temperatures within the noted temperature range. The contacts are engaged with each other through the element apertures when engine operation is initiated, are separated when one of the elements moves to its inverted configuration in response to heating of the element, and are then reengaged as the second element moves to its inverted configuration in response to further heating.
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: November 26, 1985
    Assignee: Texas Instruments Incorporated
    Inventor: Hidde Walstra
  • Patent number: 4499448
    Abstract: An electric circuit interrupter device in which an electric circuit extends through the device. Within the device is a frangible link in the electric circuit. A plunger is engageable with the link. A stack of thermally responsive discs is expandable in length to force the plunger against the link to break the link and to interrupt the electric circuit.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: February 12, 1985
    Inventor: Jack W. Grable
  • Patent number: 4481494
    Abstract: A thermal relay is disclosed which provides a bi-metal snap disc actuator system. The actuator system includes a central divider of material having relatively low thermal conductivity and a metallic disc cup mounted on each side of the central divider. A bi-metal snap disc is located in each disc cup and a separate heater is provided to respectively heat the discs. The discs are mounted so that they tend to move toward each other at normal environmental temperatures and a bumper is interposed between the discs to cause them to move in with snap action in the unison. The actuator operates two switches. In one embodiment, one switch is normally closed and the other switch is normally open. In another embodiment, both switches are normally open.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: November 6, 1984
    Assignee: Therm-O-Disc, Incorporated
    Inventors: Richard M. Anderson, Harold F. Snider, Donald J. Schmitt
  • Patent number: 4445105
    Abstract: A thermostat, operating on the basis of current generated heat, rather than ambient temperature, operates as an equivalent of a snap-action thermostat, though without the necessity for provision of a snap-action dimple, by use of two bimetallic arms, the motion of one being restricted by the casing and a calibration dimple in or on the casing. The two bimetallic arms move, as in a creep action thermostat, upon current generation, with separation of the arms being accomplished when the restricted arm can no longer move to follow the unrestricted arm. Such thermostats are particularly valuable where a high initial inrush of current is experienced, as with an incandescent lamp fixture, when initial opening of the device, on the high current inrush, is not desired.
    Type: Grant
    Filed: June 28, 1982
    Date of Patent: April 24, 1984
    Assignee: Portage Electric Products, Inc.
    Inventor: Glenn E. Wehl
  • Patent number: 4339740
    Abstract: A thermally responsive electric switch including two dimensionally identical, bimetallic, snap-over, part-spherical, thermally responsive actuating elements 9, 11, arranged in a nesting, contacting relationship within the end portion 7 of a housing. The first element 9 changes from a first to a second curvature when its temperature rises above a first predetermined temperature, returning to its first curvature if its temperature falls below a second, lower, predetermined temperature. The second element 11 changes from a first to a second curvature when its temperature rises above a third predetermined temperature higher than the first temperature, and thereafter remains in that curvature. A common force transmitting rod 13 bearing on the uppermost element 11 transmits the movement of both elements to a pair of contacts 3 at the other end of the housing, the contacts being in one condition when both plates have the first curvature, and otherwise being in a second condition.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: July 13, 1982
    Assignee: The General Electric Company Limited
    Inventor: Keith Greenhalgh
  • Patent number: 4325047
    Abstract: A temperature responsive switch is provided which comprises a pair of bimetal discs having different temperature-deformation characteristics, a pair of fixed electrical contacts and a movable electrical contact. The movable contact engages one of the fixed contacts in response to a deformation of the pair of bimetal discs or remain free from engagement with either fixed contact. The engagement of the movable contact with one or the other of the fixed contacts and the absence of its engagement with either fixed contact constitute three conditionswhich permits a detection of a temperature of at least three different regions.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: April 13, 1982
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Masami Inada, Nobuyuki Hashimoto, Atsushi Satomoto
  • Patent number: 4283701
    Abstract: A thermostat assembly to control heat to an iron soleplate, includes a bimetal blade on a soleplate boss responding to the heat thereto to make and break the electric circuit. To this standard construction an improved thermostat assembly uses a slot in the bimetal blade adjacent its free end, the slot extending partially across the blade at right angles to the longitudinal axis with a second compensating blade deforming in the opposite direction and secured to the first blade between the slot and free end with the axes of deformation of the blades oriented at right angles to each other such that the cross slot provides delay in heat conduction so the contacts first open at a lower main blade temperature than subsequent openings to reduce overshooting of the temperature in the iron soleplate.
    Type: Grant
    Filed: April 20, 1979
    Date of Patent: August 11, 1981
    Assignee: General Electric Company
    Inventor: William D. Ryckman, Jr.
  • Patent number: 4088976
    Abstract: A thermally operated actuator useful as a relay, flasher, circuit breaker, or the like, in which a bimetal element is movable by heating and cooling in response to an electrical resistance heater and/or current passing through the bimetal element. In one form of the invention ambient compensation is achieved by rigidly clamping one end of the bimetal element to provide a cantilever support, and providing a support at the other end that either clamps or pivotally engages the bimetal element and longitudinally compresses the element, causing the element to buckle into a curved configuration. Heat is applied selectively to the bimetal element adjacent either end to produce a snap action change in the shape of the element between two fixed positions. In an alternative form of the invention, two parallel bimetal elements are linked together to provide ambient compensation while still providing the snap action change in shape in response to selectively applied heat.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: May 9, 1978
    Assignee: Technar, Inc.
    Inventor: Lon E. Bell
  • Patent number: 4074855
    Abstract: An adjustable bimetal construction adapted to provide an adjustable throttling range and having a first bimetal member and a second bimetal member, one opposed end of the first bimetal member being operatively interconnected to the frame while the other end thereof is movable relative to the frame and one opposed end of the second bimetal member also being operatively interconnected to the frame while the other end thereof is movable relative to the frame. A device operatively interconnects the other ends of the bimetal members together to provide a combined bimetal action at the other ends thereof which can be adjusted through different positions of the device.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: February 21, 1978
    Assignee: Robertshaw Controls Company
    Inventors: Harold G. Brakebill, Jay L. Lewis, Clarence M. Asbill, III
  • Patent number: 4035756
    Abstract: A dual temperature thermostat is disclosed in which two bimetal snap discs are connected to separately operate two switch mechanisms. The snap discs are retained in separate, generally concentric disc seats formed in a retainer cup. The body is provided with first abutment surfaces to maintain the inner disc in its seat and a plurality of symmetrically positioned projections which extend through openings in the inner disc and provide abutments which engage the outer disc and maintain it in its seat. The abutments and the seats are proportioned so that the two discs cannot contact each other during their operation.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: July 12, 1977
    Assignee: Therm-O-Disc Incorporated
    Inventor: Donald J. Schmitt