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Class 73/732 - Bourdon


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the pressure sensitive element comprises
No. of patents: 75
Last issue date: 12/06/2011


1    
NumberTitleIssue Date
8069731Heating and air conditioning service gauge
A service gauge for determining refrigerant pressure and the saturated vapor equivalent temperature, or other parameters, for a refrigerant in an HVAC system. In one embodiment, the service gauge employs a bourdon tube with at least one attached strain gauge to sens...
12/06/2011
7849750Sensing apparatus of bourdon pressure gauge
A sensing apparatus of a Broudon pressure gauge is disclosed, which comprises a magnet which has a N pole and a S pole at one end between both ends of the shaft which its connected with the displacement gear and rotates; a sensing unit which is provided in the body ...
12/14/2010
7730787Bourdon tube pressure gauge
The bourdon tube pressure gauge includes: a joint which is made of the resin and is attached to a pressure container; and a bourdon tube which is made of metal and has a rear end fixed to the joint. The joint comprises a fixation hole into which the rear end of the ...
06/08/2010
7574920Tire pressure gauge with sensor support
A pressure gauge is provided for monitoring pressure within a reservoir, such as air within a vehicle tire. The gauge is particularly configured to allow it to remain upon a valve stem of the tire even when the tire is in operation. A receiver of the gauge can be co...
08/18/2009
7555959Bourdon tube pressure gauge
Bourdon tube pressure gauge able to make a welding margin of a fastening end of a Bourdon tube and an insertion hole of a tube support broader, and able to ruggedly seal and fix the fastening end, that is, a Bourdon tube pressure gauge having a tube support provided...
07/07/2009
7546773Pressure gauge
A pressure gauge includes a core, a first dial, a first hand, a second dial, a second hand and a gear system. The core includes a body, a joint connected to the body and a Bourdon tube connected to the body. The first dial is connected to a side of the core for show...
06/16/2009
7469591Two-in-one temperature and pressure gauge
A two-in-one temperature and pressure gauge is constituted primarily by a shell, a housing, a score panel, a needle set, a temperature sensing mechanism, and a pressure sensing mechanism. The needle set includes two needles which are coaxially installed, with one ne...
12/30/2008
7430901Pressure gauge assembly for bicycle tire
A pressure gauge assembly for a bicycle tire includes a gauge portion having an indicator, a shaft, and a lower portion. The shaft includes a recess and a channel portion which is in communication with the recess and the gauge portion. A button is mounted in the rec...
10/07/2008
7350414Mechanical barometer
An analog pressure indicator assembly, particularly useful as a barometer, accurately indicates pressure or pressure changes using the fewest number of and/or least expensive components possible. The assembly is typically gearless, and includes a pressure sensitive ...
04/01/2008
7336162Double mold shot pull to seat universal TPMS sensor
A tire pressure sensor assembly is provided for use with a wheel rim including a valve hole. The sensor assembly including a metal valve stem element having a stem base, a stem body, a stem cap end, and an inner stem chamber. A lower sensor housing is rigidly over-m...
02/26/2008
7322744Temperature measurement device
A temperature measuring device includes a temperature-responsive element that mechanically moves a first inductive assembly component relative to a second inductive assembly component in response to temperature changes. The movement of the first inductive assembly c...
01/29/2008
7284419Temporary attachment tire pressure gauge
A gauge is provided for monitoring pressure of air within a tire or other gas containing chamber. A gauge includes a receiver attachable to a valve stem of the tire. A valve core is also provided on the gauge through which fill air can be directed. In this way, the ...
10/23/2007
7254983Fuel gauge for hydrogen storage media
A hydrogen gas storage container has a canister with at least one outlet opening for charging and discharging gas, the canister enclosing a metal hydride capable of absorbing and desorbing hydrogen gas and a gauge for measuring the capacity of hydrogen remaining wit...
08/14/2007
7240559Manometer
The invention relates to a manometer with a housing, a connecting piece rigidly connected to the housing, a bourdon tube arranged in the housing, a viewing glass fixed on the housing, and a pointer, which can rotate on the inside of the viewing glass and which is en...
07/10/2007
7237439Pressure sensor over-pressure protection
A gauge is provided for monitoring pressure of air or other gases within a tire or other gas containing chamber. A gauge includes a receiver attachable to a valve stem of the tire. A valve core is also provided on the gauge through which fill air can be directed. In...
07/03/2007
7228743Light powered pressure gauge
An extremely low power transducer for use with a meter is able to be powered by miniature solar cells to measure and display a physical quantity such as pressure, force, level or distance. The transducer provides a variable capacitance to an electronic circuit that ...
06/12/2007
7181976Spring-elastic measuring element comprising a flat connecting element that can be welded
The invention relates to a spring-elastic measuring element (1) for thermometers, pressure switches or manometers consisting of an arc-shaped measuring tube (3), a base body (2) and a connecting element (10) for the measuring mechanism. T...
02/27/2007
7165461Pressure gauge having dual function movement plate
A pressure gauge comprising a stem having an inlet at which pressure is sensed. A Bourdon tube is coupled to the stem and is displaceable in response to pressure changes at the inlet. A movement comprising a movement plate conducts displacement of the Bourdon tube t...
01/23/2007
7140257Wireless transmitting pressure measurement device
A pressure measurement device includes a housing having an inlet, a transducer coupled to the inlet to generate an electrical signal representative of pressure at the inlet, and a data communication device coupled to the transducer to transmit a wireless signal corr...
11/28/2006
7124642Dual gauge with dual calibration system and method
A dual gauge system determines pressures of two separately contained gases by use of two separate pointer—Bourdon tube sections within the dual gauge. The Bourdon tube of a first one of the sections is gaseously coupled to a first one of the contained gases to det...
10/24/2006
7040152Pneumatic tire air pressure gauge assembly
A compact air pressure gauge assembly mountable to the valve stem of a inflatable tire or mountable through the rim of a wheel for continuous monitoring of the tire inflation pressure. The air pressure gauge assembly has a compact design to extend the valve stem or ...
05/09/2006
7040175Pressure reading structure for a pressure gage
An improved pressure reading structure for a pressure gage is disclosed, comprising a data plate, a rotable pointer and a protection casing. The data plate includes a central area and an extended area next to and connected to the central area, both of the areas bein...
05/09/2006
7004032Pressure gauge measuring multiple pressure values
A method for measuring multiple pressures by a single gauge (6) for simultaneously measuring separate pressures by respective pressure sensing elements (7, 8); and simultaneously indicating measurements of the separate pressures by respective pointers ...
02/28/2006
7000483Inflatable manometers
An inflatable air cell pressure transducer. The air cell has a concavity formed therein. The concavity has two edges, wherein increased pressure within the air cell causes contraction of the concavity moving the two edges closer. ...
02/21/2006
6925886Dental treatment room vacuum flow measurement device
A vacuum flow measurement device measures the quantity of air flowing into a high-volume evacuator (HVE) vacuum tip commonly found in dental treatment rooms. The device includes a tubular member constructed to mimic internal structural characteristics of a HVE tip. ...
08/09/2005
6898979Automobile air conditioning system hand held pressure measuring device
A portable hand-held device for measuring the pressure in an automobile air conditioning system includes a socket adapted to connect to a service port, an internal passage in communication with the socket, and a pressure gauge disposed in the housing selectively in ...
05/31/2005
6763725Pressure reading structure for pressure gauge
A pressure reading structure used in a pressure gauge is disclosed to include an index dial shaped like a circular cap and mounted in a hollow transparent cylindrical housing, and an angled pointer suspended over an angled top-view index dial portion and a side-view...
07/20/2004
6758097Pressure gauge spring
The pressure gauge spring is a responsive and easy to manufacture gauge for connection to a pressure source. The spring assembly comprises a coiled hollow tube having a first end and a second end with a body portion therebetween, the hollow tube adapted to produce a...
07/06/2004
6684712Measuring instrument for a pressure gauge
The measuring instrument for a pressure gauge comprises an indicator unit with two plates that bear rotatably an indicator shaft carrying a pinion and that furthermore bear a gear segment. The measuring instrument furthermore comprises a metal Bourdon tub...
02/03/2004
6679122Pressure gauge having a dampener mechanism with attachable housing
A dampening apparatus for a pressure gauge in which a housing secured to the amplifier of the pressure gauge encircles the pointer shaft in a close but loose fit relation so as to define a controlled clearance packed with a high viscosity dampening agent ...
01/20/2004
6648505Structure for vehicular temperature, air pressure and vacuum meter
This invention relates to an improved structure for the vehicular temperature, pressure and vacuum meters with characteristics on that the hand rod is an integrally formed design joined to the dial plate and Bourdon tube without using any bolts or screws,...
11/18/2003
6637272Manometer with direct passage
A direct passage manometer includes a body into which at least two rectilinear channels open into a recessed curved surface at a central portion thereof. A diaphragm seals the curved surface at the center of the body and is fixed in place by a load cell. ...
10/28/2003
6636155Gauge having adjustable activating means
A mechanical gauge having a mechanism for setting multiple alarms within tolerance values. When such tolerance values defined by the mechanism are reached, the same mechanism activates an alarm....
10/21/2003
6578429Physical quantity measuring device
An apparatus for measuring a physical quantity or parameter includes a housing having a supportably mounted shaft member. A first end of the shaft member is placed in proximity with the output of a displacement device which is responsive to a change in th...
06/17/2003
6485846Corrosion resistant gauge component
A component for a gauge comprising a bourdon tube having a first end and a second end. A socket is joined to the first end of the bourdon tube and a closure member is joined to the second end of the bourdon tube. At least one of the bourdon tube and the c...
11/26/2002
6385134Watch
A watch, in particular a dive watch, having a movement (16) which is arranged in a watch case (12) and can be used to drive an hour hand (3) via an hour tube and a minute hand (4) via a minute tube in a fashion sweeping over a dial (1). Also present is a ...
05/07/2002
6314816Measurement system for a pressure measurement device as well as a pressure measurement device
The pressure measurement device has a housing (2) with a back wall (8) and a side wall (10), a measurement system arranged inside the housing as well as a connection arrangement (6) with a device connector (64) arranged outside on the housing. The measure...
11/13/2001
6216541Pressure gauge overpressure safety release
A pressure gauge in which the displacement tip of the Bourdon tube is sealed and secured to a bracket of an amplifier movement by a selected solder composition affording a failure response to an encountered overpressure at a pressure value lower than the ...
04/17/2001
6184674Indicating instrument with migration barriers
Moving magnet indicating instruments in which a damping fluid migration barrier projects from the inside of one wall of the bobbin coil and another damping fluid migration barrier projects from the face of the rotor which confronts that wall. Certain flui...
02/06/2001
6164138Self aligning dial for instrument gauge
There is disclosed a pressure gauge construction in which the dial plate includes recessed indentations interfit with pins projecting beyond the front face of the gauge movement for supporting a dial plate in place. An adhesive cement is contained between...
12/26/2000
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