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| Number | Title | Issue Date |
| 8173918 | Pressure switch with an integrated diaphragm and switch A pressure switch (100) having a housing (101) and a connector (106) coupled to the housing (101) is provided. The housing (101) comprises a first chamber (212) and a second chamber (213). The first and second chamber... | 05/08/2012 |
| 8148655 | Pressure sensor for a hermetically sealed container A pressure sensor is provided for a container having a hermetically sealed internal chamber. The pressure sensor includes a support member having a membrane side and an electrical contact extending along the membrane side. The support member is configured to be held... | 04/03/2012 |
| 7786392 | Self-cleaning pressure switch with a self-sealing diaphragm An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the... | 08/31/2010 |
| 7777143 | Non-locking switch for filter monitoring Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subasse... | 08/17/2010 |
| 7723625 | Ultra low pressure switch system An ultra low pressure switch system for efficiently reducing switch deterioration. The ultra low pressure switch system generally includes a housing comprised of a first portion and a second portion, wherein the first portion and the second portion define a cavity b... | 05/25/2010 |
| 7635818 | Differential adjustment mechanism for pressure switches A calibration mechanism for setting the tripping point of a microswitch in a pressure switch has a lower collar fixed to the upper end of the pressure switch push rod, and an upper collar disposed above the lower collar and adapted to actuate the trigger of the micr... | 12/22/2009 |
| 7511239 | Simultaneous control of multiple liquid level settings in a diaphragm valve, using a single rotatable control shaft A method and apparatus are provided for simultaneously changing multiple liquid level settings in a liquid-level switch including a diaphragm actuated pressure switch apparatus having a first and a second switch, through use of an actuator apparatus including a sing... | 03/31/2009 |
| 7465894 | One time high fill pressure switch A one time high fill pressure switch providing energy savings operation for use in a commercial or consumer appliance such as a clothes washing machine is provided. The one time high fill pressure switch provides multiple water level settings that may be selected by... | 12/16/2008 |
| 7414208 | Ultra low pressure switch adjustment system An ultra low pressure switch adjustment system for efficiently differentiating between varying triggering pressures. The ultra low pressure switch adjustment system generally includes a housing including a first aperture and a second aperture, wherein said housing i... | 08/19/2008 |
| 7414207 | Non-locking switch for filter monitoring Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subasse... | 08/19/2008 |
| 7364682 | Nasal and oral cannula breathing detection device A cannula and method of forming a cannula by forming a cannula mandrel assembly having a nare mandrel, a main body mandrel and mouthpiece mandrel; heating the cannula mandrel assembly, applying a polymeric material to the cannula mandrel assembly to provide a desire... | 04/29/2008 |
| 7365277 | Buffer assembly for a pressure sensitive switch A buffer assembly includes a housing adapted to sealingly connected to the pressure switch and defining therein a chamber and an airway defined in a bottom face of the housing to communicate with an interior of the housing so as to communicate with an inlet of the p... | 04/29/2008 |
| 7351926 | Rotation-proof enclosure for pressure switch housing A housing for a pressure switch is coupled to a pipeline. The housing has a tubular body with an explosion-proof enclosure attached to the body with a retainer sleeve inserted through an opening in the enclosure and threaded into the body to secure the enclosure to ... | 04/01/2008 |
| 7348509 | High pressure switch with isolated contacts A pressure switch employs electrical contacts isolated from pressure media. By employing a snap action blade in a snap over center configuration, it is possible to provide a hysteresis effect in which the switch actuates at one pressure and deactuates at a different... | 03/25/2008 |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7309141 | Air actuated decoration system and device The invention is a system that provides a means to using passing air to turn on an electronically powered device that is removably attached to an exterior portion of a vehicle as the vehicle travels betweens two locations. The invention is also embodied as a device ... | 12/18/2007 |
| 7297885 | Pressure switch A water pressure switch employs two pivotable plates and springs to control the activation of the pump. The arrangement of the two pivotably plates, the springs and the activation device reduces the space required so that a small box can accommodate all the parts. | 11/20/2007 |
| 7298280 | Lighted fluid flow indication apparatus A fluid flow indication apparatus is provided for monitoring and giving an indication of fluid flow. ... | 11/20/2007 |
| 7273128 | Vibration proofing heat shield plate A vibration proofing heat shield plate fixed such as to cover at least a part of a heat source while forming a gap with respect to a surface of the heat source is provided with a vibration proofing heat shield plate main body portion, a collar member positioned at a... | 09/25/2007 |
| 7272919 | Portable vacuum device A portable vacuum device for extracting fluid in a container having an opening includes a handheld housing, a fluid extracting nozzle, a vacuum device and a sensor switch. The fluid extracting nozzle has a vacuum pressure corresponding to an interior pressure of the... | 09/25/2007 |
| 7265652 | Controllable electronic switch 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 elec... | 09/04/2007 |
| 7256361 | Pressure switch A pressure switch includes a body, a lower cap and an upper cap respectively mounted to two opposite ends of the body. A casing is airtightly sleeved on an outer periphery of each of the lower cap and the upper cap. There are two electrodes disposed in the body and ... | 08/14/2007 |
| 7193168 | Pneumatic switch for non-invasive testing and debug A pneumatic switch includes a housing which presents external contacts spaced apart to engage a component site on a device such as a circuit board. A pair of components are supported on the switch housing. A flexure mounted armature or vane is biased in one directio... | 03/20/2007 |
| 7186934 | Pressure switch An indication displayed by a display unit included in a pressure switch is inverted and the respective setting functions of push-button switches are reversed when the operator is obliged to look at the display unit from a direction opposite a normal looking directio... | 03/06/2007 |
| 7157654 | Pressure switch with protection of the membrane against over-stretching A pressure switch for pressures up to a maximum permissible pressure (pmax), with a housing (1) and a membrane (2), whereby the membrane is fastened in the housing. The membrane has an exposed face on which a pressure can act, and it is defo... | 01/02/2007 |
| 7127875 | Portable vacuum device A portable vacuum device for extracting fluid in a container having an opening includes a handheld housing, a fluid extracting nozzle, a vacuum device and a sensor switch. The fluid extracting nozzle has a vacuum pressure corresponding to an interior pressure of the... | 10/31/2006 |
| 7096865 | Personal gas supply delivery system A supply of gas such as oxygen is provided to a person in need of such gas supply. The delivery system includes an alarm to alert the recipient of the gas or another when and if the gas supply is disrupted. The alarm system preferably includes a reset and on-off swi... | 08/29/2006 |
| 7098412 | Pressure activated latching switch A structure embodying a switch and method of operating thereof for creating a latching switch is disclosed. The latching switch utilizes an electrorheologic fluid and the electronic latch function thereof is actuated by a pressure signal and deactivated by the remov... | 08/29/2006 |
| 7084363 | Variable differential adjustor A variable differential adjustor for a fluid pressure-actuated switch, with the fluid, in the preferred form of the invention, being air. The restrictor has a restrictor housing with a fluid passage in which a restrictor plug, typically a set screw, is engaged. By j... | 08/01/2006 |
| 7078637 | Low air pressure switch for automobile A low air pressure switch for an automobile is formed in a water resistance structure in which a connector has an integral terminal and switch body so that a moisture input passage into the interior of a switch is fully disconnected. An air outlet for an air dischar... | 07/18/2006 |
| 7071430 | Adjustable pressure element, particularly for electric household appliances The sensor comprises a body in which a diaphragm is mounted so as to define a variable-volume chamber to which a fluid pressure is supplied in use, and a plurality of electrical switches connected to the diaphragm so that the diaphragm can bring about switching of t... | 07/04/2006 |
| 7071429 | Linear adjustment operator for pressure control of paint pumps A linear adjustment operator for pressure control of paint pumps including a base, an electrical switch, a linear actuator, a spring biasing the switch towards the actuator and a lever acting on the actuator for repositioning the actuator with the switch positioned ... | 07/04/2006 |
| 7063019 | Assemblies including extendable, reactive charge-containing actuator devices An assembly including a support housing and an actuator device. The actuator device includes an extendable initiator cup including at least one non-random fold and at least in part defining a storage chamber containing a reactive charge reactable to produce reaction... | 06/20/2006 |
| 7045726 | Pressure regulator for a paint ball gun A pressure regulator for a paint ball gun includes a cylinder, a piston unit, an elastic member, a top connector and a switch bolt. The cylinder includes upper and lower chambers. The piston unit includes a ring plate and a tube. The ring tube is disposed in the upp... | 05/16/2006 |
| 7036370 | Spring assembly with cantilevered spring rods A spring assembly and an apparatus incorporating the same. The spring assembly includes a base block configured to be rigidly fixed to a frame. A pair of nominally identical spring rods is cantilevered from the base block in a first direction. Each rod has a length,... | 05/02/2006 |
| 7014888 | Method and structure for fabricating sensors with a sacrificial gel dome A method and structure that protects interior electrical components of a pressure sensor (4) from corrosive particles using a sacrificial gel dome (30) to form a vent (34) in a protective gel (32) that covers electrical components that ca... | 03/21/2006 |
| 6948481 | Electrical connections for an integrated pressure management apparatus An apparatus, system and method of establishing a threshold for a leak detection test that is performed on a headspace of a fuel system. A fuel vapor pressure management apparatus includes a housing, a pressure operable device, and a sensor. The housing defines an i... | 09/27/2005 |
| 6919521 | Pressure sensor A pressure sensor integrated onto an electronic circuit substrate. The pressure sensor measures the effect of the ambient air pressure on a characteristic of the pressure sensor that can be translated into a variable pressure measurement. Another embodiment of the p... | 07/19/2005 |
| 6867383 | Liquid level assembly with diaphragm seal A liquid level assembly for controlling liquid level has a switching mechanism responsive to the liquid head to activate a pump. A housing assembly has an internal cavity in which the switching mechanism is supported, the housing assembly having an open end sealed b... | 03/15/2005 |
| 6653583 | Limit switch A limit switch sealing a non-contact type microswitch has a stainless steel actuator lever subjected to nitriding processing which is cantilever supported on a housing upper portion by a plate spring made of polyimide. A non-contact type microswitch store... | 11/25/2003 |
