WO2016068107A1 - Capteur de température - Google Patents

Capteur de température Download PDF

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Publication number
WO2016068107A1
WO2016068107A1 PCT/JP2015/080182 JP2015080182W WO2016068107A1 WO 2016068107 A1 WO2016068107 A1 WO 2016068107A1 JP 2015080182 W JP2015080182 W JP 2015080182W WO 2016068107 A1 WO2016068107 A1 WO 2016068107A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
insulating tube
end side
pair
temperature sensor
Prior art date
Application number
PCT/JP2015/080182
Other languages
English (en)
Japanese (ja)
Inventor
雅紀 廣中
元樹 佐藤
Original Assignee
株式会社デンソー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Priority to DE112015004970.3T priority Critical patent/DE112015004970B4/de
Publication of WO2016068107A1 publication Critical patent/WO2016068107A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/08—Protective devices, e.g. casings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K2205/00—Application of thermometers in motors, e.g. of a vehicle
    • G01K2205/04—Application of thermometers in motors, e.g. of a vehicle for measuring exhaust gas temperature

Definitions

  • the present disclosure relates to a temperature sensor that measures the temperature of a measurement site using a temperature sensitive element.
  • a temperature sensitive element that measures the temperature of exhaust gas or the like flowing through an exhaust pipe of a vehicle.
  • a temperature sensitive element whose electrical characteristics change depending on the temperature is used.
  • a pair of signal wires extending from the temperature sensing element to the rear end side, an insulating tube that holds the pair of signal wires while insulating them, and an outer tube that covers the outer periphery of the insulating tube are provided.
  • the outer periphery of the insulating tube is held on the outer tube directly or via a filler or the like, and the outer periphery of the rear end is held on the outer tube via an elastic body, a metal mesh, a rubber bush, or the like. Has been.
  • Patent Document 1 discloses a temperature sensor in which an insulating tube is attached to a cylindrical member by a holding member.
  • the holding member is configured by an elastic body such as a spring or a metal mesh in which metal thin wires are entangled.
  • the holding member when the environment in which the temperature is measured by the temperature sensor is high, the holding member is thermally deteriorated by heat, and it is difficult to stably hold the insulating tube on the cylindrical member. Furthermore, when vibration due to running of the vehicle is transmitted to the temperature sensor, the holding member is more likely to be thermally deteriorated due to the influence of repeatedly generated stress.
  • the thermal deterioration referred to here is hot relaxation, which means that plastic strain is generated under a low stress within the elastic limit, and the holding member loses holding power.
  • the insulating tube may receive the vibration and break or bend.
  • the present disclosure has been made in view of such a background, and provides a temperature sensor that can improve durability against heat and can stably hold an insulating tube on an outer tube over a long period of time. It is aimed.
  • the temperature sensor is A temperature-sensitive element whose electrical characteristics change with temperature, A pair of signal lines extending from the thermosensitive element to the rear end side; An insulating tube that is inserted through the pair of signal lines and insulated from the pair of signal lines; An outer tube covering the insulating tube and the temperature sensing element; A tip-side holding member that is provided on the outer periphery of the tip of the insulating tube and holds the tip of the insulating tube on the outer tube; A rear end holding member provided on an outer periphery of the rear end portion of the insulating tube, and holding the rear end portion of the insulating tube on the outer tube; With The said front end side holding member is comprised from the nonmetallic inorganic fiber.
  • tip part of an insulating tube to an outer tube is comprised from the nonmetallic inorganic fiber. Even if the environment measured by the temperature sensor is high temperature, this non-metallic inorganic fiber is hardly deteriorated by heat, and the performance of holding the insulating tube on the outer tube hardly decreases. In particular, the tip-side holding member provided on the outer periphery of the tip of the insulating tube is easily heated to a high temperature. For this reason, the insulating tube can be stably held on the outer tube for a long period of time by configuring the tip side holding member from the non-metallic inorganic fiber.
  • the insulating tube by holding the insulating tube on the outer tube by the front end side holding member and the rear end side holding member, it is possible to prevent the insulating tube from being cracked or bent due to vibration or the like. Therefore, according to said structure, durability of the temperature sensor with respect to a heat
  • the insulating tube can be held on the outer tube by each holding member, it is not necessary to fix the insulating tube to the outer tube with a filler. That is, the amount of filler used can be a small amount for fixing the temperature sensitive element to the outer tube, and a cavity can be provided between the filler and the insulating tube. Thereby, the amount of heat transfer from the temperature-sensitive element to the insulating tube via the filler can be suppressed, and the responsiveness and high-temperature vibration resistance of the temperature sensor can be improved.
  • Sectional drawing which shows the temperature sensor concerning embodiment Sectional drawing which shows the front end side part of the temperature sensor concerning embodiment. Sectional drawing which shows the rear-end side part of the temperature sensor concerning embodiment. Explanatory drawing which shows the temperature sensor concerning embodiment attached to the exhaust pipe. Explanatory drawing which shows the state which inserts the insulation pipe
  • the temperature sensor 1 includes a temperature sensitive element 2, a pair of signal wires 21, an insulating tube 3, an outer tube 4, a front end side holding member 5A, and a rear end side holding member 5B. ing.
  • the temperature sensitive element 2 has an electrical characteristic (electrical resistance) that varies depending on the temperature.
  • the pair of signal lines 21 extends from the temperature sensitive element 2 to the rear end side.
  • the insulating tube 3 has a pair of signal lines 21 inserted therethrough and is insulated from the pair of signal lines 21.
  • the insulating tube 3 insulates the pair of signal lines 21 from the outer tube 4.
  • the outer tube 4 is made of metal and is formed in a shape that covers the insulating tube 3 and the temperature sensitive element 2.
  • the distal end side holding member 5 ⁇ / b> A is provided on the outer periphery of the distal end portion 31 of the insulating tube 3, and holds the distal end portion 31 of the insulating tube 3 on the outer tube 4.
  • the rear end side holding member 5 ⁇ / b> B is provided on the outer periphery of the rear end portion 32 of the insulating tube 3, and holds the rear end portion 32 of the insulating tube 3 on the outer tube 4.
  • the front end side holding member 5A and the rear end side holding member 5B are made of non-metallic inorganic fibers.
  • the temperature sensor 1 of the present embodiment is disposed in the exhaust pipe 7 of the vehicle and measures the temperature of the exhaust gas G flowing through the exhaust pipe 7.
  • An insertion hole 71 for inserting the temperature sensor 1 is formed in the exhaust pipe 7.
  • a female screw part 711 is formed on the front side of the insertion hole 71, and a latching part 712 having a diameter smaller than that of the female screw part 711 is formed on the back side of the insertion hole 71.
  • a rib 43 provided on the outer pipe 4 is hooked on the hooking part 712 of the insertion hole 71, and the outer pipe 4 is put on the female thread part 711.
  • a nipple 44 to be attached to the outer periphery of the nipple is tightened. Then, the rib 43 is brought into close contact with the hooking portion 712 to close the gap between the temperature sensor 1 and the insertion hole 71.
  • the temperature sensitive element 2 is constituted by a thermistor.
  • the temperature sensing element 2 can also be constituted by a resistance temperature detector made of a thermocouple, platinum (Pt) or the like instead of the thermistor.
  • the temperature sensitive element 2 is covered with a glass layer 22 for suppressing oxygen reduction deterioration.
  • the temperature sensing element 2 is disposed inside the distal end portion 411 of the outer tube 4 and in a space S formed on the distal end side of the distal end surface 311 of the insulating tube 3.
  • a filler 61 for fixing the temperature-sensitive element 2 to the distal end portion 411 of the outer tube 4 is disposed at the distal end side portion in the space S in a state where a part of the space S is left at the rear end side portion.
  • the filler 61 contains aggregate particles such as ceramic powder, glass components, and the like.
  • the pair of signal lines 21 protrudes from the distal end surface 311 of the insulating tube 3 toward the distal end side and is connected to the temperature sensing element 2, and after being disposed in the insulating tube 3. And an end portion 214.
  • the distance between the front end side portions 213 of the pair of signal lines 21 is bent from the rear end side portion 214, so that the distance between the rear end side portions 214 of the pair of signal lines 21 is narrower.
  • the front end portion 213 of the pair of signal lines 21 and the rear end portion 214 of the pair of signal lines 21 are formed in parallel to each other. Between the front end side portion 213 and the rear end side portion 214 of the pair of signal lines 21, a tapered portion 215 that connects the two is formed.
  • the filler 61 covers the entire temperature sensing element 2 and the entire tip end portion 213 of the pair of signal lines 21.
  • the range of the length L1 filled with the filler 61 is the front end portion of the outer tube 4 It can be made into the range of 0.6L or more from the inner front end surface of 411 to the rear end side.
  • a part of the space S is formed between the rear end position of the filler 61 and the front end surface 311 of the insulating tube 3. To be left behind. Note that if heat transfer from the temperature sensing element 2 to the rear end side of the insulating tube 3 or the like occurs, the responsiveness of the temperature sensor 1 is lowered.
  • the temperature sensing element 2 By covering the entire temperature sensing element 2 with the filler 61, the temperature sensing element 2 can be protected from vibrations and the like. Further, by covering the entire distal end portion 213 of the pair of signal lines 21 with the filler 61, the filler 61 is disposed between the distal end portions 213 of the pair of signal lines 21. Contact between the distal end portions 213 can be reliably prevented. Moreover, in the temperature sensor 1 of this embodiment, the usage amount of the filler 61 can be reduced by holding the insulating tube 3 and the pair of signal lines 21 on the outer tube 4 by the holding members 5A and 5B.
  • the insulating tube 3 is configured by a cylindrical ceramic sintered body having a pair of insertion holes 33 through which the pair of signal lines 21 are inserted.
  • the insulating tube 3 is made of ceramics having high heat resistance such as Al 2 O 3 (alumina), ZrO 2 (zirconia), MgO (magnesia), and the like. Among these ceramics, Al 2 O 3 is preferable because of its high strength and good workability.
  • Each signal line 21 is connected to the temperature sensing element 2 and is inserted into each insertion hole 33.
  • Each signal line 21 is made of a heat-resistant material such as, for example, INCONEL601, INCONEL600, Pt, Fe—Cr—Al alloy, Pt—Ir alloy.
  • an adhesive for example, a ceramic adhesive such as Aron ceramics
  • Each signal line 21 is fixed to the insulating tube 3 with an adhesive 34.
  • the outer tube 4 is connected to the distal end side tube portion 41 covering the distal end side portion of the insulating tube 3 and the temperature sensing element 2 and the rear end side of the distal end side tube portion 41, and the rear end covering the rear end side portion of the insulating tube 3.
  • Side tube portion 42 Side tube portion 42.
  • the distal end portion 411 of the distal end side tube portion 41 is reduced in diameter in accordance with the size of the temperature sensing element 2 at a position closer to the distal end side than the distal end surface 311 of the insulating tube 3.
  • the distal end side holding member 5 ⁇ / b> A is sandwiched between the outer periphery of the distal end portion 31 of the insulating tube 3 and the inner periphery of the distal end side tube portion 41. It is held by the side tube portion 41.
  • the rear end side holding member 5B is sandwiched between the outer periphery of the rear end portion 32 of the insulating tube 3 and the inner periphery of the rear end side tube portion 42, and the rear end portion 32 of the insulating tube 3 is connected to the rear end side tube. Held in the part 42.
  • a rear end side holding member 5 ⁇ / b> B provided on the outer periphery of the rear end portion 32 of the insulating tube 3, and from the rear end surface of the insulating tube 3 to the rear end side.
  • a pair of lead wires 62 connected to a portion of the pair of signal wires 21 projecting toward and a rubber bush 63 for holding the pair of lead wires 62 in the rear end side pipe portion 42 are disposed. .
  • the distal end portion 31 of the insulating tube 3 is reduced in diameter at the outer periphery of a portion 412 of the distal end side tube portion 41 located on the outer peripheral side of the distal end side holding member 5A, whereby the distal end side tube portion 41 is interposed via the distal end side holding member 5A. It has been cramped.
  • the rear end portion 32 of the insulating tube 3 is reduced in diameter by reducing the outer periphery of a portion 421 of the rear end side tube portion 42 located on the outer peripheral side of the rear end side holding member 5B, thereby allowing the rear end portion 32 to pass through the rear end side holding member 5B. It is caulked to the end side pipe part 42.
  • the pair of lead wires 62 are caulked to the rear end side pipe portion 42 via the bush 63 by reducing the diameter of the outer periphery of a portion 422 of the rear end side pipe portion 42 located on the outer peripheral side of the bush 63.
  • the maximum static frictional force acting on the insulating tube 3 by the holding members 5A and 5B acts on the insulating tube 3 by vibration. It becomes larger than the load.
  • the maximum static frictional force is the repulsive force (surface pressure) acting on the holding members 5A and 5B, the static friction coefficient between the insulating tube 3 and the holding members 5A and 5B, and the holding members 5A and 5B and the outer tube. 4 based on the coefficient of static friction between 4 and 4. Thereby, the insulating tube 3 can be stably held in the outer tube 4.
  • the non-metallic inorganic fibers constituting the holding members 5A and 5B are ceramic fiber molded bodies formed into a cylindrical shape, a mat shape, or a sheet shape.
  • the molded body of ceramic fiber is excellent in heat resistance.
  • the ceramic fiber is composed of alumina fiber, silica fiber, or the like.
  • the molded body of ceramic fibers can be molded into a predetermined shape by mixing ceramic fibers and any other component such as a binder.
  • the ceramic fiber molded body can be formed by collecting ceramic fibers in a cotton shape without using a binder.
  • the nonmetallic inorganic fibers constituting the holding members 5A and 5B can be, for example, glass fibers or rock wool, in addition to the ceramic fibers.
  • the mat-like or sheet-like holding members 5 ⁇ / b> A and 5 ⁇ / b> B made of a ceramic fiber molded body can be wound around the insulating tube 3. Further, when the cylindrical holding members 5A and 5B are used, the insulating tube 3 can be press-fitted into the holding members 5A and 5B. When the temperature sensor 1 is assembled, as shown in FIG. 5, the insulating tube 3 assembled with the holding members 5 ⁇ / b> A and 5 ⁇ / b> B can be inserted into the outer tube 4.
  • the holding members 5 ⁇ / b> A and 5 ⁇ / b> B slide along the inner periphery of the outer tube 4, so that the insulating tube 3 and the outer tube are inserted. 4 can be improved. Thereby, the assembly
  • the coaxiality between the insulating tube 3 and the outer tube 4 can be easily secured, the distal end side tube portion 41 in which the temperature sensing element 2 is reduced in diameter when the insulating tube 3 is inserted into the outer tube 4. Thus, it is possible to prevent the temperature sensitive element 2 from being cracked during assembly.
  • each holding member 5A, 5B can be assembled to the insulating tube 3 via an adhesive (for example, a ceramic adhesive or a nonwoven fabric containing an organic binder).
  • an adhesive for example, a ceramic adhesive or a nonwoven fabric containing an organic binder.
  • the holding members 5A and 5B can be made difficult to be displaced in the axial direction of the insulating tube 3 by the adhesive.
  • the adhesive can be volatilized by heat when the filler 61 in the temperature sensor 1 after assembly is sintered.
  • each holding member 5A, 5B can contain an expansion material such as vermiculite.
  • the inflating material is contained in the gap between the ceramic fibers.
  • the expansion material expands due to heat generated when the filler 61 in the temperature sensor 1 after assembly is sintered.
  • the molded body of the ceramic fiber which comprises each holding member 5A, 5B expand
  • the insulating tube 3 can be connected via the holding members 5A and 5B without reducing the outer circumference of the outer tube 4 and pressing (caulking) the holding members 5A and 5B. It can be fixed to the outer tube 4.
  • the front end side holding member 5A and the rear end side holding member 5B are formed of a ceramic fiber molded body. Even if the environment measured by the temperature sensor 1 is high temperature, the ceramic fiber is hardly thermally deteriorated, and the performance of holding the insulating tube 3 on the outer tube 4 hardly decreases. Therefore, the insulating tube 3 can be stably held on the outer tube 4 over a long period of time by configuring the holding members 5A and 5B from ceramic fibers.
  • the density means the filling density, that is, the density of the holding members 5A and 5B after the temperature sensor 1 is assembled.
  • each holding member 5A, 5B is formed of a ceramic fiber molded body, oxygen can be easily supplied to the temperature sensing element 2 through each holding member 5A, 5B.
  • the insulating tube 3 can be prevented from being broken by vibration or the like. Further, as shown in FIG. 7, the vibration stress acting on the insulating tube 3 is reduced by increasing the axial length of each holding member 5A, 5B and increasing the area of each holding member 5A, 5B assembled to the insulating tube 3. can do. Therefore, according to the temperature sensor 1 of the present embodiment, durability against heat can be improved, and the insulating tube 3 can be stably held on the outer tube 4 over a long period of time.
  • the insulation tube 3 is held on the outer tube 4 by the holding members 5A and 5B to prevent the insulation tube 3 from cracking when the temperature sensor 1 is assembled, and to reduce the amount of filler 61 used. A decrease in responsiveness of the temperature sensor 1 can be prevented.
  • the relationship between the thickness t1 of the holding members 5A and 5B and the clearance t2 between the insulating tube 3 and the outer tube 4 is t1> t2. Is preferred. Thereby, the coaxiality of the insulating tube 3 and the outer tube 4 can be improved, and the insulating tube 3 can be stably held by the outer tube 4.
  • the thickness t1 of the holding members 5A and 5B is too large, the temperature sensor 1 is hindered and the holding force (surface pressure) acting on the holding members 5A and 5B becomes too high, and the holding member 5A. , 5B may cause heat sink. Therefore, the relationship between the thickness t1 and the clearance t2 is more preferably 2 ⁇ t2> t1> t2.
  • the insulating tube 3 cannot be sufficiently held, and the insulating tube 3 may crack when vibration stress is applied to the insulating tube 3. is there.
  • the clearance between the insulating tube 3 and the outer tube 4 is about 1 mm
  • sheet-like holding members 5A and 5B having a thickness of about 1.5 mm can be used. Then, by press-fitting the insulating tube 3 around which the holding members 5A and 5B are wound into the outer tube 4, the coaxiality between the insulating tube 3 and the outer tube 4 is improved, and the assembling property of the temperature sensor 1 is improved. be able to.
  • the insulating tube 3 can be held on the outer tube 4 by holding members 5A, 5B, 5C provided at three locations in the longitudinal direction.
  • the holding member 5 ⁇ / b> C provided at the intermediate position can also be compressed by reducing the outer diameter of the portion 413 of the distal end side tube portion 41.
  • the front end side holding member 5A and the rear end side holding member 5B can be configured by a holding member 5 in which these are integrated.
  • the entire length of the insulating tube 3 can be held by the outer tube 4 by the holding member 5.
  • the insulating tube 3 can be stably held on the outer tube 4 over a long period of time.
  • FIGS. 1 to 9 show the case where the signal line 21 of the temperature sensing element 2 is constituted by a lead wire drawn out from the temperature sensing element 2.
  • the signal line 21 is a laser produced by abutting a lead portion 211 drawn from the temperature sensing element 2 with a lead wire member 212 protruding from the insertion hole 33 of the insulating tube 3. It can also be set as the structure welded.
  • the signal line 21 is laser-welded by superposing a lead portion 211 drawn from the temperature sensing element 2 and a lead wire member 212 protruding from the insertion hole 33 of the insulating tube 3. It can also be configured. In this case, the entire portion of the lead portion 211 that is not overlapped with the lead wire member 212 is covered with the filler 61.
  • the insulating tube 3 may be a sheath pin.
  • the sheath pin is constituted by a metal hollow tube 35 and an insulating filling powder 36 filled in the hollow tube 35 through which the pair of signal wires 21 (lead wire members 212) are inserted.
  • the pair of signal wires 21 (lead wire members 212) and the outer tube 4 can be insulated by the insulating filling powder 36.
  • the same effect as the case where the insulating tube 3 is comprised by the ceramic sintered compact can be acquired.
  • the lead portions 211 constituting the pair of signal lines 21 can be made of, for example, Pt, Pt—Ir alloy, Pt—Rh alloy, etc., and the lead wires constituting the pair of signal lines 21
  • the member 212 can be composed of, for example, INCONEL601, INCONEL600, Fe—Cr—Al alloy, or the like.
  • the filling powder 36 for example, can be constituted by MgO (magnesia powder) and SiO 2 (silica powder).
  • the lead part 211 drawn out from the temperature sensing element 2 and the pair of lead wire members 212 can be overlapped and laser-welded. In this case, the entire welded portion between the lead portion 211 and the lead wire member 212 is covered with the filler 61.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

L'invention concerne un capteur de température (1) qui comprend : un élément sensible à la température (2) qui change des caractéristiques électriques en fonction de la température ; une paire de lignes de signal (21) s'étendant de l'élément sensible à la température (2) vers le côté d'extrémité arrière ; un tube d'isolation (3) qui permet à la paire de lignes de signal (21) d'être insérées dans celui-ci, de façon à isoler la paire de lignes de signal (21) ; un tube externe (4) qui recouvre le tube d'isolation (3) et l'élément sensible à la température (2) ; un élément de retenue d'extrémité avant (5A), qui est situé sur la circonférence externe d'une extrémité avant (31) du tube d'isolation (3) et qui permet à l'extrémité avant (31) du tube d'isolation (3) d'être retenue sur le tube externe (4) ; un élément de retenue d'extrémité arrière (5B), qui est situé sur la circonférence externe d'une extrémité arrière (32) du tube d'isolation (3) et qui permet à l'extrémité arrière (32) du tube d'isolation (3) d'être retenue sur le tube externe (4). L'élément de retenue d'extrémité avant (5A) est formé d'une fibre inorganique non-métallique.
PCT/JP2015/080182 2014-10-31 2015-10-27 Capteur de température WO2016068107A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112015004970.3T DE112015004970B4 (de) 2014-10-31 2015-10-27 Temperatursensor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2014-223263 2014-10-31
JP2014223263 2014-10-31
JP2015-119661 2015-06-12
JP2015119661A JP6350400B2 (ja) 2014-10-31 2015-06-12 温度センサ

Publications (1)

Publication Number Publication Date
WO2016068107A1 true WO2016068107A1 (fr) 2016-05-06

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PCT/JP2015/080182 WO2016068107A1 (fr) 2014-10-31 2015-10-27 Capteur de température

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JP (1) JP6350400B2 (fr)
DE (1) DE112015004970B4 (fr)
WO (1) WO2016068107A1 (fr)

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JP2022544658A (ja) * 2020-06-17 2022-10-20 ティーディーケイ・エレクトロニクス・アクチェンゲゼルシャフト センサ

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JP6888439B2 (ja) * 2017-06-28 2021-06-16 株式会社デンソー 温度センサ
US20220252465A1 (en) * 2021-02-05 2022-08-11 Sensata Technologies, Inc. System and method for improving temperature detectors using expansion/contraction devices

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JP2002156286A (ja) * 2000-11-16 2002-05-31 Isuzu Ceramics Res Inst Co Ltd 熱電対
JP2002168701A (ja) * 2000-11-30 2002-06-14 Denso Corp 温度センサ
JP2012093340A (ja) * 2010-09-27 2012-05-17 Denso Corp 温度センサ
JP2012242334A (ja) * 2011-05-23 2012-12-10 Ngk Spark Plug Co Ltd 温度センサ

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Publication number Priority date Publication date Assignee Title
JP2002156286A (ja) * 2000-11-16 2002-05-31 Isuzu Ceramics Res Inst Co Ltd 熱電対
JP2002168701A (ja) * 2000-11-30 2002-06-14 Denso Corp 温度センサ
JP2012093340A (ja) * 2010-09-27 2012-05-17 Denso Corp 温度センサ
JP2012242334A (ja) * 2011-05-23 2012-12-10 Ngk Spark Plug Co Ltd 温度センサ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022544658A (ja) * 2020-06-17 2022-10-20 ティーディーケイ・エレクトロニクス・アクチェンゲゼルシャフト センサ
JP7307268B2 (ja) 2020-06-17 2023-07-11 ティーディーケイ・エレクトロニクス・アクチェンゲゼルシャフト センサ

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Publication number Publication date
DE112015004970T5 (de) 2017-07-20
DE112015004970B4 (de) 2021-11-11
JP2016090563A (ja) 2016-05-23
JP6350400B2 (ja) 2018-07-04

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