|
Match
|
Document |
Document Title |
|
|
7614606 |
Compressor for a diaphragm valve
A compressor for operating a diaphragm of polymer material for a diaphragm valve includes a base body having a diaphragm-proximal surface, and a material layer at least partially provided on the...
|
|
|
6748848 |
Waste gate valve actuator
A waste gate valve actuator is provided for use with a turbocharger having a flexible and durable thin non-fabric diaphragm substantially uniform in thickness comprised entirely of a thermoset or...
|
|
|
6673455 |
Flexure endurant composite elastomer compositions
A flexure endurant composition of an elastomer reinforced with a continuous phase of microporous, expanded polytetrafluoroethylene (ePTFE) having a ratio of elastomer to PTFE of approximately 1:1...
|
|
|
6343539 |
Multiple layer pump diaphragm
A pump diaphragm comprising a first layer formed from a first material such as synthetic rubber which is adapted to be substantially impervious to both hydrophobic and hydrophilic liquids. In...
|
|
|
6189435 |
Diaphragm
A diaphragm for a turbo charger actuator includes a layer of fabric having upper and lower surfaces. A first layer of elastomeric material coats at least a portion of the upper surface of the...
|
|
|
6142062 |
Diaphragm with modified insert
The present invention provides a diaphragm member for use in certain valve assemblies. Such diaphragm member comprises a generally circular diaphragm having a first predetermined diameter and...
|
|
|
6138550 |
Pump diaphragm and method for making the same
A composite pump diaphragm 10 includes a layer 12 fabricated from annealed polytetrafluoroethylene (PTFE) bonded to a layer 14 fabricated from an unreinforced thermoplastic elastomer including...
|
|
|
5950523 |
Composite diaphragm having two layers wherein the first layer is chemically resistant and of reduced thickness in the area of flex of the body
A composite flexible diaphragm for a diaphragm pump. The diaphragm has a diaphragm body with an outer perimeter, a center axis, and first and second exterior surfaces. The body has a perimeter...
|
|
|
5907992 |
Abrasion resistant diaphragm
The present invention provides an improved diaphragm which will substantially resist detrimental abrasive wear. Such diaphragm being used in certain applications in which at least a portion of such...
|
|
|
5743170 |
Diaphragm mechanism for an air driven diaphragm pump
A flexible diaphragm for an air driven diaphragm pump having a circular configuration with an inner attachment portion, an outer attachment portion and an annular flexure portion bounded by...
|
|
|
5706715 |
Composite diaphragm for diaphragm pumps having two different shore-hardness materials
A pump diaphragm that is composed of two different shore-hardness materials of the same base polymer. The diaphragm includes a strong layer that will withstand hydraulic pressures and one or more...
|
|
|
5560279 |
Pre-failure sensing diaphragm
A combined sensing and barrier element is provided. This sensing element is most useful as a flexible diaphragm which is also described herein. The flexible diaphragm has a resilient elastomeric...
|
|
|
5349896 |
Pump diaphragm
A flexible pump diaphragm for pumping fluids is described in which the diaphragm has a number of ribs or troughs located radially across its circumferential flexure portion.
|
|
|
5295395 |
Diaphragm-based-sensors
The formation of diaphragms by silicon wafer bonding provides for a structure having at least two such diaphragms with cavities in the wafers to which the diaphragm layer is bonded. Passageways...
|
|
|
5262092 |
Synthetic composite fuel metering membrane
A synthetic composite flexible diaphragm of a fabric of warp-knitted polyester fibers and an elastomeric polymer coating applied only to one side of the fabric and disposed in interstices between...
|
|
|
5220863 |
Conical diaphragm and method of making
A fabric reinforced molded conical diaphragm and method of making in which the parting line of the diaphragm mold is arranged such that the flashing and reinforcing fabric of the molded diaphragm...
|
|
|
5217797 |
Chemically resistant diaphragm
A composite diaphragm containing a flexible composite of a flexible polymer and an expanded polytetrafluoroethylene fabric on which is adhered to one surface a solid polytetrafluoroethylene layer....
|
|
|
5214961 |
Pressure sensor
A pressure sensor having a ceramic support, a first ceramic layer attached to a peripheral portion of one side of the ceramic support, and a second ceramic layer which is attached to a peripheral...
|
|
|
5174157 |
Pressure transducer
A pressure transducer including a rotationally symmetrical pressure sensor made of a ceramic material and having a front face configured as a membrane, further having a housing for and containing...
|
|
|
5165282 |
Semiconductor pressure sensor
A semiconductor pressure sensor comprises a diaphragm formed by anisotropic etching of silicon single crystal, characterized in that an etch-stop layer is provided at the site where etching is to...
|
|
|
5163327 |
Pressure sensing elements
Pressure vessel components of a sensing element are formed from liquid crystal polymers. Individual LCP components may be ultrasonically adhered to one another to form a hermetic seal. In the...
|
|
|
5076147 |
Pressure sensor including a diaphragm having a protective layer thereon
The pressure sensor consists of a substrate and a diaphragm joined together around the periphery so as to form a chamber. The surface of the diaphragm facing away from the substrate is exposed to a...
|
|
|
5074757 |
Diaphragm pump with mechanically driven diaphragm
In a diaphragm pump with mechanically driven diaphragm and a device for diaphragm rutpure signaling, wherein the diaphragm 2 is clamped at the edge between a pump body 3 and pump cover 4 and is...
|
|
|
5062770 |
Fluid pumping apparatus and system with leak detection and containment
A fluid pumping apparatus and system including a double acting diaphragm pumping device in which each pumping component has a pair of spaced apart diaphragms defining a containment chamber and all...
|
|
|
5052276 |
Diaphragm construction
An improved diaphragm, which operates and has the structure of a short-thick beam, is comprised of a plug having a channel, a tire cord reinforcement is bonded to the plug, an elastomer cured to...
|
|
|
4989497 |
Flexible diaphragm-extreme temperature usage
A diaphragm (10) suitable for extreme temperature usage, such as encountered in critical aerospace applications, is fabricated by a unique method, and of a unique combination of materials, which...
|
|
|
4951554 |
Low stress diaphragm
A diaphragm for a diaphragm-type piston characterized by an S-shaped or ogee-like profile approximating a theoretical model that is substantially free of distortion in a selected position of the...
|
|
|
4936758 |
Diaphragm pump
A fluid pump is disclosed herein having a frame defining an internal pumping chamber in combination with a flexible diaphragm. A top ring retains the diaphragm in position on the frame and includes...
|
|
|
4905575 |
Solid state differential pressure sensor with overpressure stop and free edge construction
A solid state pressure sensor utilizes a brittle diaphragm made of a material such as silicon, which is mounted between base plates of glass, and which deflects in response to pressure. The base...
|
|
|
4881451 |
Tandem vacuum booster and diaphram for same
A tandem diaphragm vacuum booster in which both diaphragm and the bead seals are made of a single rubber-like molding.
|
|
|
4881452 |
Tandem vacuum booster and diaphragm for same
A tandem diaphragm vacuum booster in which both diaphragm and the bead seals are made of a single rubber-like molding.
|
|
|
4864918 |
Thermoplastic diaphragm
A diaphragm for pumps or the like of a dish-shaped body of nonreinforced thermoplastic elastomer having a curvilinear flexure sidewall portion of substantially less thickness than the central and...
|
|
|
4858557 |
Epitaxial reactors
A reactor for chemical vapor deposition of epitaxial layers on crystalline substrates uses a medium frequency heating system, the power for the heating being provided by a multi-turn coil, inducing...
|
|
|
4837068 |
Compliant diaphragm material
A compliant sealing material with low or no gas permeability and low spring rate is made by coating a metal such as gold, on the surface of a polymer sheet. The metal acts as a complete gas barrier...
|
|
|
4781535 |
Apparatus and method for sensing diaphragm failures in reciprocating pumps
Apparatus for monitoring the diaphragm integrity in a diaphragm pump. A single continuous circuit trace is supported on a pump diaphragm. An electrical circuit is connected to the continuous...
|
|
|
4776368 |
Fluid pressure regulator
A fluid pressure regulator, for controlling the pressure of fluid in accordance with the pressure of an air signal, is characterized by a housing having a chamber divided into fluid and air...
|
|
|
4773832 |
Pump
An improved diaphragm pump in which the diaphragm has a majority of its area available for flexure and deformation thereby allowing for a variable stroke length on the diaphragm pump and decreased...
|
|
|
4772513 |
Method for forming a hard carbon thin film on article and applications thereof
A method of forming diamond-like carbon layer which is advantageously adaptable as a coating layer on acoustic diaphragms. In the method, carbon vaporized out of solid carbon source is deposited...
|
|
|
4759264 |
Parenteral solution diaphragm pump
A hinged plate diaphragm pump comprising a pumping chamber defined by an inflexible member and a flexible member opposed thereto. The flexible member has at least three inflexible plates with edges...
|
|
|
4741252 |
Diaphragm of the rolling type having a membrane portion and a reinforcing portion
A diaphragm particularly for rolling-diaphragm type fluid pressure motors. The invention provides greatly improved service life of the motor, particularly under adverse condition in which...
|
|
|
4715578 |
Diaphragm valve
A pilot-operated diaphragm valve in which the diaphragm seats on a valve seat having an unconstricted flow annulus therearound, and support regions are provided on the valve seat and on the valve...
|
|
|
4705458 |
Fluid operated pump
A fluid operated pump comprising a housing including first and second cylinders. First and second pistons are rigidly fixed to each other and situated in their respective cylinders, the cylinders...
|
|
|
4592238 |
Laser-recrystallized diaphragm pressure sensor and method of making
A pressure sensor includes a diaphragm and an overpressure stop, with a gap inbetween for displacement of the diaphragm in response to an applied pressure, the diaphragm being formed of...
|
|
|
4488341 |
Method of making a fluid pressure actuator
A fluid pressure actuator construction and method of making the same are provided, the method comprising the steps of forming a housing with an annular surface, securing an outer peripheral portion...
|
|
|
4306584 |
Diaphragm for a breath-controlled dosaging valve
A diaphragm for a dosaging valve in which one side of the diaphragm is exposed to the surrounding environment and the other side is exposed to a respiratory or breathing gas, comprises, a central...
|
|
|
4270441 |
Pump diaphragm
A diaphragm configuration is disclosed for an air-driven pump. The diaphragm includes concentric ribs on the pressure side of the flexure portion thereof. This has been found to extend the life of...
|
|
|
4218959 |
Pressure regulating diaphragm
A pressure regulating diaphragm comprises a central base plate section in the form of a hard disc, a peripheral sealing section having the form of a ring located concentrically with said plate...
|
|
|
4147824 |
Multilayer seals and method for their production and joining to seal carriers
Plastic seals for use in valves which handle chemically reactive and aggressive media are described. These seals have a base layer made from porous PTFE and a covering layer of smooth, dense PTFE....
|
|
|
4116590 |
Diaphragm pump with pulse piston position responsive work fluid replenishment
A high pressure pump in which at least one reciprocatingly driven piston acts on a hydraulic fluid communicating with one side of a diaphragm, the other side of the diaphragm communicating with a...
|
|
|
4111613 |
Bladder actuated pumping system
A pumping system using an air actuated bladder type member to propel liquids out and to refill the pump. Invention covers such novel pumps and an overall dispensing system. Useful in pumping and...
|