Class 60/529 - Mass is bimetallic

Subclass of Class 60 - Power plants
Definition: Apparatus in which the mass consists of at least two interrelated
No. of patents: 67
Last issue date: 08/17/2010

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Number	Title	Issue Date
7775042	Method of transforming thermal energy A method of generating motion from a cool region that is proximal to a warm region, the cool region and the warm region defining a temperature range. The method uses an article of phase change material having a warm-to-cold phase transition and a cold-to-warm phase ...	08/17/2010
7703281	Motor, motor device, and lens drive mechanism using the same An arrangement of the invention includes a base block 16, a cylindrical cam 14, as a rotary member, which is rotatably supported on the base block 16, and includes a contact portion on an outer periphery thereof for outputting a rotating force, ...	04/27/2010
7313917	Volume phase transition to induce gel movement Movement of a gel structure is propagated by successively applying external stimuli to cause volume phase transition in the gel structure by alternately causing the gel structure to collapse and swell to move the center of mass of the gel structure in the direction ...	01/01/2008
7283030	Doubly-anchored thermal actuator having varying flexural rigidity A doubly-anchored thermal actuator for a micro-electromechanical device such as a liquid drop emitter or a fluid control microvalve is disclosed. The thermal actuator is comprised of a base element formed with a depression having opposing anchor. A deformable elemen...	10/16/2007
7218200	Manual-reset thermostat A movable operating member 5 is swingably borne by the base 1, and its distal end is moved upward by allowing its proximal end 5b to be pressed downward. The movable contact 3 is separated from the stationary contact 2 upwar...	05/15/2007
7175772	Small scale actuators and methods for their formation and use An actuator assembly and method for making and using an actuator assembly. In one embodiment, the assembly includes an actuator body having an actuator channel with a first region and a second region. An actuator is disposed in the actuator channel and is movable wh...	02/13/2007
7159398	Concentric tube shape memory alloy actuator apparatus and method A rotary SMA actuator includes an SMA assembly having a plurality of grooves formed therein to form a plurality of concentrically arranged SMA tubes. A heater element is disposed against an input end of the SMA tubes and generates heat when electrical current is app...	01/09/2007
7117673	Actuator for two angular degrees of freedom An apparatus for two degree of freedom positioning a moveable structure relative to a support structure is provided. The apparatus includes a moveable structure, a support structure, a compliant support disposed between the moveable structure and the support structu...	10/10/2006
7104056	Design of ferromagnetic shape memory alloy composites and actuators incorporating such materials The present invention employs an optimized cross-sectional shape for a ferromagnetic shape memory alloy (FSMA) composite that is used in a spring-type actuator, an improved hybrid magnetic trigger for use in FSMA based actuators, an a FSMA composite based spring typ...	09/12/2006
6911891	Bistable actuation techniques, mechanisms, and applications A bistable structure provided by the invention is characterized as including a deflection element that has mechanically constrained end points and a compliant span between the end points that is substantially free to deflect between two stable positions when a force...	06/28/2005
6882264	Electrothermal self-latching MEMS switch and method Electrothermal Self-Latching MEMS Switch and Method. According to one embodiment, a microscale switch having a movable microcomponent is provided and includes a substrate having a stationary contact. The switch can also include a structural layer having a movable co...	04/19/2005
6771158	Micro electromechanical differential actuator A micro electromechanical differential actuator is comprised of a suspension arm structure and/or a bridge structure to make a two-degree-of-freedom and bi-directional motion. The actuator support base can make out-of-plane or in-plane vertical and horizontal motion...	08/03/2004
6664885	Thermally activated latch A device is described for latching an actuator to a substrate where the substrate includes a thermally activated material located on the substrate and a heater capable of heating the thermally activated material until it softens. The actuator includes a c...	12/16/2003
6484848	Continuous rotary actuator using shape memory alloy A continuous rotary actuator using a shape memory alloy has a simple structure, is small and light-weight, and has a high torque, which can lock the actuator against rotation during periods when the actuator is not energized. The continuous rotary actuato...	11/26/2002
6483419	Combination horizontal and vertical thermal actuator A micrometer sized, single-stage, horizontal and vertical thermal actuator capable of repeatable and rapid movement of a micrometer-sized optical device off the surface of a substrate. The horizontal and vertical thermal actuator is constructed on a surfa...	11/19/2002
6240728	Electromechanical device and insulation method thereof An actuator device has electrical components, which are subjected to electric voltage, located inside a housing near movable mechanical elements. Insulation of the electrical components from the environment is achieved by introducing into the housing an e...	06/05/2001
6175989	Shape memory alloy controllable hinge apparatus A shape memory alloy hinge assembly for deploying at least a first object in a controllable, substantially shockless manner is disclosed. Generally, the hinge assembly includes at least a first flexure member capable of moving from a first, folded configu...	01/23/2001
6129181	Constant force spring actuator A constant force actuator transforms applied heat to an applied force on an output device. Strips of shape memory alloy are coiled into spirals and trained to have this configuration as a static state. The shape memory alloy springs are attached to the ou...	10/10/2000
6070851	Thermally buckling linear micro structure A thermally buckling linear micro structure, in which by isolating technology a thermal oxidization isolation layer are generated on the two ends of a micro structure, or a material with larger thermal inflation coefficient is deposited, or the area of th...	06/06/2000
6067797	Thermal actuator An improved form of thermal actuator suitable for use in a MEMS device. The actuator includes a first material such as polytetrafluoroethylene having a high coefficient of thermal expansion and a serpentine heater material having a lower coefficient of th...	05/30/2000
6044646	Micro cilia array and use thereof A micromechanical actuator having the ability to move in two directions. The actuator can be manufactured in planar arrays using semiconductor manufacturing equipment. The planar array of actuators can be used as a microcillia array. The actuators are for...	04/04/2000
6041600	Utilization of quantum wires in MEMS actuators A mesh of quantum wires is utilized in a non-conductive material to improve its conductivity. The non-conductive material can be highly expansive interposed in the mesh. The expansive material is ideally polytetrafluoroethylene which has a high coefficien...	03/28/2000
5618409	Centrifuge for the continuous separation of substances of different densities The centrifuge (1) described has at least one device (11,12) designed to control the operation of the centrifuge, the devices being mounted to rotate with the rotating part of the centrifuge and to be operated by a mechanical actuator (13) also rotating w...	04/08/1997
5529279	Thermal isolation structures for microactuators A microactuator preferably in the form of a microminiature valve for controlling the flow of a fluid carried by a flow channel includes a first substrate having a thermally-actuated member selectively operated by a thermal actuator such that the first sub...	06/25/1996
5430333	Energy generating system and method A plurality of inflation devices are linked to one another to form a loop that is movably restrained so that a segment of the loop is disposed at a lower reference location at the given depth in a first body of water, another segment of the loop is dispos...	07/04/1995
5353828	Valve construction and method of making the same A valve construction and method of assembling the same are provided, the valve construction having a deflector unit for directing fluid flow from the inlet of the housing means of the valve construction away from an operating part of a bimetallic lever me...	10/11/1994
5344117	Micro-actuator A micro-actuator includes force elements and compensation elements arranged on a bending element such that a change in the environmental temperature does not cause any flexing of the bending element....	09/06/1994
5318268	Thermally actuated valve with ambient temperature compensation An electrically operated thermally responsive valve having a bimetal operator arm heated by an electrical resistance heater for deflection to move a resilient poppet between an open and closed position on a valve seat for controlling flow to the valve out...	06/07/1994
5271597	Bimetallic diaphragm with split hinge for microactuator A microactuator of a silicon substrate having a frame with a central circular flexible diaphragm suspended from the substrate by a hinge. The hinge is a layer of silicon dioxide of uniform thickness which is formed by etching a groove in the silicon subst...	12/21/1993
5182910	Micromechanical manipulator Disclosed is a micromechanical manipulator composed of substrate 1, heating lements and a manipulator arm 2 which is based on the principle of the bimaterial effect. Prior art bimaterial manipulators execute movements perpendicular to the surface of the su...	02/02/1993
5172551	Actuator An actuator is comprised of a plurality of three-dimensionally arranged containers each of which is constructed into deformable configuration and each of which is set to accommodate therein an amount of expandable fluid in response to the increase of the ...	12/22/1992
5069419	Semiconductor microactuator A semiconductor microactuator has a silicon semiconductor substrate having suspension means connected thereto. The suspension means has a first layer of material having a first thermal expansion coefficient and a second layer of material having a second t...	12/03/1991
5040567	Multi-way valve The multi-way valve comprises two valve seats (12, 14) formed in the valve chamber whose seat surfaces are parallel. Two closing bodies (22, 24) cooperating with one of these valve seats (12, 14) respectively are attached to both ends of an elongated actu...	08/20/1991
5037061	Valve construction and method of making the same A valve construction and method of making the same are provided, the valve construction comprising a housing provided with a chamber therein and with an inlet leading to the chamber and outlet leading from the chamber, a valve seat carried by the housing ...	08/06/1991
4958801	Valve construction and method of making the same A valve construction and method of making the same are provided, the valve construction comprising a housing provided with a chamber therein and with an inlet leading to the chamber and outlet leading from the chamber, a valve seat carried by the housing ...	09/25/1990
4955583	Valve construction and method of making the same A valve construction and method of making the same are provided, the valve construction comprising a housing, a valve seat carried by the housing, a movable lever carried by the housing and having an opening passing through opposed sides thereof, a valve ...	09/11/1990
4884780	Valve actuating arrangement An active member can deform in accordance with its temperature. The active member is connected to a mechanically-operated valve member so that the operated member is driven in accordance with deformation of the active member. The temperature of the active...	12/05/1989
4841730	Thermal actuator An actuator comprising an actuator body, a shape memory member mounted on the body and a heating element in heat exchange relationship to the shape memory member. By activating the heating element, sufficient heat is generated to heat the shape memory mem...	06/27/1989
4824276	Helix coupling A coupling for connecting helix members in series, which consists of a pair of U-shaped elements, one of which is attached to each helix end with the "U" sections of the elements interlocked. The coupling is particularly beneficial for interconnecting hel...	04/25/1989
4798051	Rotary actuator with tailored torque output A rotary actuator with tailored torque output comprises a shape memory alloy rod or tube encased within or filled with a burnable chemical grain. In its initial state, the rod or tube has zero degree rotation about its longitudinal axis. The rod or tube i...	01/17/1989

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Class 60/529 - Mass is bimetallic