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| Number | Title | Issue Date |
| 7128467 | Thermistor probe assembly and method for positioning and moisture proofing thermistor probe assembly A thermistor probe assembly with a thermistor element and a positioning device for positioning the thermistor element at a pre-determined location within the assembly. The positioning device includes a cavity extending through it, at least three self-centering lobes... | 10/31/2006 |
| 7026909 | Housing for temperature sensing assemblies in a thermometer A platinum resistance thermometer has an outer housing with a bore that receives a temperature sensor assembly including a mandrel having a sensing section with a platinum wire wound thereon and supported in the bore with a non-cohesive powder material that will dis... | 04/11/2006 |
| 7012502 | Sensor and manufacturing method thereof A temperature sensor comprises a thermistor element, a metal tube into which the thermistor element is inserted, two electrode wires joined to the thermistor element, two lead wires, which are covered by covering tubes with uncovered portions remaining and joined to... | 03/14/2006 |
| 6918696 | Temperature sensor and method for manufacturing the same A temperature sensor includes a casing having a first part and a second part, a temperature detector for detecting temperature of fluid and a pair of outside wires connecting to the temperature detector. The casing further includes a mold portion and an insert porti... | 07/19/2005 |
| 6297723 | Temperature sensor and method of manufacturing the same A low cost high-performance temperature sensor that can be manufactured of a thin-film temperature detecting element with high yield. The temperature sensor has a metal cylinder (10); a ceramic substrate (2) placed in the metal cylinder and a temperature ... | 10/02/2001 |
| 6130598 | Temperature detecting apparatus The invention relates to a temperature detecting apparatus and an automobile using the same, and is intended to improve the heat response characteristic. The apparatus comprises a first metal pipe, first and second metal wires accommodated in the first me... | 10/10/2000 |
| 6091317 | Temperature sensor assembly A temperature sensor assembly (10) including a pair of rigid lead frames (12, 14) having retention pockets (24, 26) thereon for retaining a sensor assembly (32). The sensor assembly (32) includes a surface mount device package (34) containing a thermistor... | 07/18/2000 |
| 5999081 | Shielding unique for filtering RFI and EFI interference signals from the measuring elements A temperature measurement system provides improved thermal sensors, including thin film and wire wound RTD's having fast and accurate measurement response times. Thermal sensor housing materials are matched to those of the material being measured, thereby... | 12/07/1999 |
| 5959524 | Temperature sensor In a temperature sensor with a platinum resistance thermometer accommodated in a tube-shaped housing, the platinum resistance layer belonging thereto should be protected against pollution or contamination of the platinum, since the electrochemical charact... | 09/28/1999 |
| 5910189 | Liquid level sensor It is aimed to present a liquid level detector that can be assembled by simply stacking component parts one upon another, without using any soldering work at all. In the liquid level detector, a thermistor (7) is placed on an electrode (2a) of element hol... | 06/08/1999 |
| 5864282 | Unique strain relief junction A temperature measurement system provides improved thermal sensors, including thin film and wire wound RTD's having fast and accurate measurement response times. Thermal sensor housing materials are matched to those of the material being measured, thereby... | 01/26/1999 |
| 5817920 | Oxygen sensor with annular support member providing improved mechanical shock resistance An oxygen sensor comprising: an elongated planar sensing element; a tubular shield within which at least a portion of the sensing element extends; a seal sealably mounting the sensing element within the tubular shield; a shell for mounting the oxygen sens... | 10/06/1998 |
| 5535614 | Thermal conductivity gas sensor for measuring fuel vapor content A gas sensor of the thermal conductivity type suitable for the quantitative analysis of the fuel vapor content of a fuel-air mixture. The gas sensor (10) comprises a sensing element (28) and a compensating element (30), each of which includes an electrica... | 07/16/1996 |
| 5462359 | Temperature probe A temperature probe in which mechanical oscillatory excitation that can lead to fracture of the connecting lines is prevented and the response time of the temperature probe to temperature changes is shortened. According to the invention, a resistance elem... | 10/31/1995 |
| 5334350 | Resistance probe for determining gas compositions and method of producing it A resistance probe is proposed for detecting gas compositions, particularly in the exhaust gases of internal combustion engines. This resistance probe has the advantage over prior art resistance probes that, with a short response time, it is considerably ... | 08/02/1994 |
| 5191303 | High speed probe attenuator A high speed probe attenuator has an attenuator with a plurality of resistors connected in series between a probe input and an instrument output. A plurality of capacitors are coupled in parallel with pairs of the resistors in an interleaved fashion to sp... | 03/02/1993 |
| 4724415 | Level measuring probes A level measuring probe for a liquid contained in a reservoir of the type having a detecting element constituted by a conductor having a high temperature coefficient and intended to be immersed in the liquid; and an electrical connection means intended to... | 02/09/1988 |
| 4622455 | Connection assembly for electric cartridge heater A heating-cartridge assembly has a shell, a first rigid insulating body in the shell having a longitudinally directed end face, a heating conductor imbedded in the body and having a pair of ends, and respective highly conductive and stiff wires imbedded i... | 11/11/1986 |
| 4586246 | Method for assembling resistance temperature detector There is provided a method for assembly of temperature probes. An insertion element or sensor such as a resistance temperature detector is mounted in a receiving cavity and surrounded by sufficient packing to electrically insulate the sensor. A stalk is u... | 05/06/1986 |
| 4575705 | Temperature probe There is provided a temperature probe for measuring the temperature of the probe's surroundings and including a tip casing having an interior casing cavity in fluid communication with the probe's surroundings and at least one interior wall cavity located ... | 03/11/1986 |
| 4531842 | Disposable thermometer probe and rating technique therefor A method and an apparatus for rating a thermometer probe, wherein the thermometer probe includes a small thermistor sensing element and a pair of conductors connected with the thermistor contacts and being supported upon a substrate. With the thermistor h... | 07/30/1985 |
| 4419567 | Heating element for electric water heater The heating element has an outer connector assembly including a cylindrical threaded portion adapted to be threaded into a boss on the heater water tank and a sheathed continuous electric resistance heating rod which has both ends secured to the connector... | 12/06/1983 |
| 4359627 | Preheater mounted within a well A preheater is disclosed which can be inserted and withdrawn from a well tube defining a curved passage, without having its heating element damaged, by utilizing the flexibility of a spirally coiled structure having increased stability of shape and excell... | 11/16/1982 |
| 4335369 | Oxygen sensor An oxygen sensor in which a porous thick membrane (20) of transition-metal oxide and electrode metal thick membranes (14, 16) are provided on a ceramic base and these membranes are coated with a ceramic protective layer. The oxygen sensor in which the tra... | 06/15/1982 |
| 4320378 | Oxygen sensor Into a metal tube (24) provided with vent-holes (32) is inserted an oxygen sensor element (10) which comprises a ceramic round rod coated with a porous thick membrane of transition-metal oxide, divided electrode thick membranes (14) and a protective layer... | 03/16/1982 |
| 4315143 | Aquarium heater An aquarium heater including a housing and a tube depending therefrom. An electric heating element is disposed in the bottom portion of the tube and a thermostatic control chassis is disposed in the upper portion of the tube. The control chassis includes ... | 02/09/1982 |
| 4255648 | Aquarium heater An aquarium heater including a housing and a tube depending therefrom. An electric heating element is disposed in the bottom portion of the tube and a thermostatic control chassis is disposed in the upper portion of the tube. The control chassis includes ... | 03/10/1981 |
| 4253009 | Heating element for water heater A mounting for a heating element on a hot water tank wherein an externally threaded spud is welded to the tank around an opening and the heating element is pushed through the opening, the heating element having a mounting plug thereon with a gasket to eng... | 02/24/1981 |
| 4236138 | Gas component detector A gas component detector has a detector element of a metal oxide held on one end of a ceramic body. The detector element is exposed to the gases to be detected and the electrical resistance value thereof is varied depending on the component of the gases. ... | 11/25/1980 |
| 4223293 | Terminal pin arrangement for an exhaust gas sensor An improved exhaust gas oxygen sensor of the type adapted for installation in the exhaust conduit of an internal combustion engine. The improved sensor preferably uses a titania metal oxide ceramic element to sense the partial pressure of oxygen in the ex... | 09/16/1980 |
| 4222026 | Exhaust gas sensor having two titania ceramic elements An improved exhaust gas sensor of the type having first and second titania ceramic elements which have electrical resistances varying as a function of both the temperature and the composition of exhaust gases from internal combustion engines to which the ... | 09/09/1980 |
| 4156128 | Electrical heater An electrical heater is combined with a thermostat in a sealed enclosure itself sealed in a glass tube, the enclosure comprising two tubes telescoped together, one being translucent and containing the thermostat and the other being of electrically insulat... | 05/22/1979 |
| 4155063 | Temperature sensor means A probe-like temperature sensor assembly has a body carrying thereon a length of electrical resistance wire coiled thereabout and having ends of such coiled resistance wire electrically connected to respective terminal means; the resistance wire changes i... | 05/15/1979 |
| 4152578 | Electric heating elements The novel electric heating element is particularly useful as a water heating element, although its use is not so limited. The element comprises the usual metal-sheathed heater having electrical termination at one end of the sheath. The customary water hea... | 05/01/1979 |
| 4146865 | Temperature measuring device for enameled equipment An enameled steel cone is the support for a heat sensitive resistor element. The resistive element is arranged upon the enameled base of the cone and with a layer of enamel. A hollow shaft extends from the apex of the cone. Wires connected to the resistiv... | 03/27/1979 |
| 4139817 | Impedance-switching connector An electrical signal transmission line connector having a switch-selectable termination resistor within the connector body. Use of the connector at the output of a signal acquisition probe allows it to be used with electrical instruments, such as oscillos... | 02/13/1979 |
| 4072847 | Electrical heater for heating liquid An electrical heater comprises a sealed glass tube containing a sealed tubular structure formed by, (a) a metal tube containing an electrical heating element insulated from the metal tube, and (b) a plastics tube sealed to one end of the metal tube and co... | 02/07/1978 |
| 4058787 | Temperature sensor A drawer type electrode of a thermistor for sensing high temperatures, wherein a shaft and a sheath are connected to a thermistor, is constructed such that the shaft and the sheath are brought into contact with the positive and negative electrode surfaces... | 11/15/1977 |
| 4042901 | Temperature sensing resistance probe and method of making a resistance element therefor The invention is a temperature sensing wire resistance probe including a temperature responsive resistance element assembled in a novel method and having insulation adequate for direct connection in the line voltage circuit of an oven temperature control.... | 08/16/1977 |
| 4025891 | Method for making a hot wire anemometer and product thereof A hot wire anemometer probe that includes a ceramic body supporting two conductive rods therein in parallel spaced apart relation. The body has a narrow edge surface from which the rods protrude. A probe wire welded to the rods and extending along the edg... | 05/24/1977 |
