JPS5855688A - 金属水素化物を利用した蓄熱システム - Google Patents

金属水素化物を利用した蓄熱システム

Info

Publication number
JPS5855688A
JPS5855688A JP56152069A JP15206981A JPS5855688A JP S5855688 A JPS5855688 A JP S5855688A JP 56152069 A JP56152069 A JP 56152069A JP 15206981 A JP15206981 A JP 15206981A JP S5855688 A JPS5855688 A JP S5855688A
Authority
JP
Japan
Prior art keywords
heat
hydrogen gas
check valve
container
orifice
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP56152069A
Other languages
English (en)
Other versions
JPS6248160B2 (ja
Inventor
Sho Kanazawa
金沢 祥
Yoshiharu Koyama
小山 芳治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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 Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Priority to JP56152069A priority Critical patent/JPS5855688A/ja
Publication of JPS5855688A publication Critical patent/JPS5855688A/ja
Publication of JPS6248160B2 publication Critical patent/JPS6248160B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/003Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using thermochemical reactions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 この発明は、金属水素化物を利用した蓄熱システムに関
する。
TiFe 、0aNi 、 等の水素貯蔵金属は活性化
(水素化)することによシ金属水素化物となシ、大量の
水素を吸・脱蔵し、吸蔵過程では発熱し、脱蔵過程では
吸熱することが知られている。金属水素化物のこの性質
を利用して、太陽熱、風力等の自然エネルギーや工場廃
熱等を水素ガスの形で酋積し、必要に応じて安定した熱
を取出すことの出来る蓄熱システムを作ることができる
この原理にもとす〈従来の蓄熱システムは、第1図に示
す如く、金属水素化物lの保持容器2と水素ガス貯槽3
及びこれらを接続する水素ガス導管4を有し、金属保持
容器2の熱交換部5には、太陽熱等の外部熱源6及び温
室等の熱利用装置7内の放熱器8と夫々熱媒体流体管を
介して接続される熱交換手段9,10が設けられており
、又前記の水素ガス導管4には止弁11が設けられてい
る。
このシステムを利用して太陽熱等の熱を蓄積し、利用す
るには外部熱源6の前金熱媒体流体を介して熱交換手段
9よシ保持容器2内の金属水素化物lに伝達して加熱し
、金属水素化物lよシ水素ガスを脱蔵させ、止弁11 
、’!に開いた水素ガス導管4を経て、水素ガス貯槽3
に貯蓄し、熱を利用する場合は水素ガス貯槽より保持容
器2に水素ガスを流入させて金属水素化物lに吸蔵させ
、その際発生する熱を熱交換手段10を介して熱媒体流
体に伝達し、放熱器8よシ熱利用装置7内に放出して利
用する。
上記の従来の熱利用方法においては、水素吸蔵運転時の
初期の生成熱は金属水素化物l自体及び耐圧容器として
構成された熱容量の大きい金属水素化物保持容器2の昇
温に費やされ、熱利用装置7に熱を運搬する熱媒体流体
によって目標温度の熱が定常的に取出される迄、かなり
長い過渡特性域が出来る。
熱利用の面からは、過度特性域を極力短かくし、目標温
度の熱が長時間定常的に得られることが好都合であシ、
又、金属水素化物の有限な発熱量の有効利用の点からも
それが望ましい。
本発明は、従来の金属水素化物を利用した蓄熱システム
の上述の欠点にかんがみ、過渡特性域をなくして常に所
定の目標温度の熱を取出すことの出来る、金属水素化物
を利用した蓄熱システム全提供することを目的とする。
以下に本発明を、その実施例を示す図面にもとすいて詳
細に説明する。
第2図は、本発明全第1図で説明したシステムに適用し
た実施例であって、金属水素化物保持容器2と水素ガス
貯槽3とを接続する水素ガス導管4に従来のシステムで
は設けられていた止め弁11の代シにオリフィス12と
、水素ガス貯槽3がら金属水素化物保持容器2に向う方
向にのみ流通可能な逆止弁14とが直列に金属水素化物
保持容器2がら水素ガス貯槽3に向う方向にのみ流通可
能な逆止弁13がそれらと並列に設けられている。上記
オリフィス12は、金属水素化物保持容器2への水素ガ
スの流入量を制限し、金属水素化物の水素吸蔵による発
熱量を制御するためのものである。その他の構成は前述
の従来のシステムと同様である。
杉、上の如く構成されたシステムは次の如く使用される
。熱利用装置7に熱を必要とするときに、太陽熱等によ
る外部熱源6から熱が得られる場合は、熱交換手段9よ
り金属水素化物に与えられた熱は、もう一方の熱交換手
段10より熱媒体流体に回収されると同時に残余の熱は
金属水素化物を加熱して水素ガスを分離し、水素ガス導
管4を経て水素ガス貯槽3に貯蔵される。この際水素ガ
スは逆止弁13ヲ自由に通過することができる。熱利用
装置7が熱を利用しないときは、熱源からの熱はすべて
金属水素化物の水素脱蔵に使われる。
熱源6は太陽熱、風力等の自然エネルギーや工場廃熱を
利用しているので、天候、昼夜、工場の操業状態によっ
て発生熱量が変動する。熱利用装置7が利用する熱量又
は非使用時に金属水素化物lを所定の温度に維持するに
必要とする熱量よシも、熱源60発生熱量が不足する場
合は金属水素化物の温度が低下し、水素を吸蔵し保持容
器2内の水素ガス圧力が下るので、・水素ガス貯槽3よ
りオリフィス12を通って水素ガスが金属水素化物保持
容器2に供給され、金属水素化物lに吸蔵されて発熱し
、所定の温度を維持することができる。
この場合、逆止弁13は閉じているので水素ガスの流量
はオリフィス12によシ適度に制御され金属水素化物保
持容器の圧力の過昇、過熱は防止される。
以上の如く、本発明によれば熱利用装置が熱を利用する
場合にも非利用時にも、熱源の余剰熱量が水素の形で貯
蓄され、不足時に熱として放出され、あたかも液圧装置
におけるアキュムレータの如く働き、変動の多い熱源の
熱を必要時に過渡特性域を経ることなく常に所定の目標
温度の定常的な熱に変換して利用することができる。
【図面の簡単な説明】
第1図は従来の金属水素化物利用蓄熱システムの一例を
示す系統図、第2図は本発明の実施例の系統図である。

Claims (1)

    【特許請求の範囲】
  1. 金属水素化物を容器内に保持し、外部熱源によシこれを
    加熱して水素ガスを脱蔵させ、水素ガス導管を介して水
    素ガス貯槽に移送して蓄積し、必要に応じて該水素W’
    x貯槽よシ上記水素ガス導管、を通じて上記金属水素化
    物保持容器に尿素ガスを流入させ金属水素化物に吸蔵さ
    せてその際発生する反応熱を利用する蓄熱システムにお
    いて、前記の水素ガス導管にオリフィスと上記水素ガス
    貯槽から金属水素化物保持容器に向う方叱のみ流通可能
    な逆止弁とを直列に金属水素化物保持容器から水素ガス
    貯槽に向う方向にのみ流通可能な逆止弁をそれらと並列
    に設けたことを特徴とする蓄熱システム。
JP56152069A 1981-09-28 1981-09-28 金属水素化物を利用した蓄熱システム Granted JPS5855688A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56152069A JPS5855688A (ja) 1981-09-28 1981-09-28 金属水素化物を利用した蓄熱システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56152069A JPS5855688A (ja) 1981-09-28 1981-09-28 金属水素化物を利用した蓄熱システム

Publications (2)

Publication Number Publication Date
JPS5855688A true JPS5855688A (ja) 1983-04-02
JPS6248160B2 JPS6248160B2 (ja) 1987-10-12

Family

ID=15532369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56152069A Granted JPS5855688A (ja) 1981-09-28 1981-09-28 金属水素化物を利用した蓄熱システム

Country Status (1)

Country Link
JP (1) JPS5855688A (ja)

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055769U (ja) * 1983-09-26 1985-04-18 マツダ株式会社 エンジンの加熱装置
JPS61202051A (ja) * 1985-03-01 1986-09-06 Daido Steel Co Ltd 太陽エネルギ−利用装置
US8729890B2 (en) 2011-04-12 2014-05-20 Allegro Microsystems, Llc Magnetic angle and rotation speed sensor with continuous and discontinuous modes of operation based on rotation speed of a target object
US8749005B1 (en) 2012-12-21 2014-06-10 Allegro Microsystems, Llc Magnetic field sensor and method of fabricating a magnetic field sensor having a plurality of vertical hall elements arranged in at least a portion of a polygonal shape
US8786279B2 (en) 2011-02-25 2014-07-22 Allegro Microsystems, Llc Circuit and method for processing signals generated by a plurality of sensors
US8793085B2 (en) 2011-08-19 2014-07-29 Allegro Microsystems, Llc Circuits and methods for automatically adjusting a magnetic field sensor in accordance with a speed of rotation sensed by the magnetic field sensor
US8860410B2 (en) 2011-05-23 2014-10-14 Allegro Microsystems, Llc Circuits and methods for processing a signal generated by a plurality of measuring devices
US8890518B2 (en) 2011-06-08 2014-11-18 Allegro Microsystems, Llc Arrangements for self-testing a circular vertical hall (CVH) sensing element and/or for self-testing a magnetic field sensor that uses a circular vertical hall (CVH) sensing element
US8922206B2 (en) 2011-09-07 2014-12-30 Allegro Microsystems, Llc Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element
US9046383B2 (en) 2012-01-09 2015-06-02 Allegro Microsystems, Llc Systems and methods that use magnetic field sensors to identify positions of a gear shift lever
US9062990B2 (en) 2011-02-25 2015-06-23 Allegro Microsystems, Llc Circular vertical hall magnetic field sensing element and method with a plurality of continuous output signals
US9099638B2 (en) 2013-03-15 2015-08-04 Allegro Microsystems, Llc Vertical hall effect element with structures to improve sensitivity
US9182456B2 (en) 2012-03-06 2015-11-10 Allegro Microsystems, Llc Magnetic field sensor for sensing rotation of an object
US9285438B2 (en) 2011-09-28 2016-03-15 Allegro Microsystems, Llc Circuits and methods for processing signals generated by a plurality of magnetic field sensing elements
US9312473B2 (en) 2013-09-30 2016-04-12 Allegro Microsystems, Llc Vertical hall effect sensor
US9377285B2 (en) 2013-02-13 2016-06-28 Allegro Microsystems, Llc Magnetic field sensor and related techniques that provide varying current spinning phase sequences of a magnetic field sensing element
US9389060B2 (en) 2013-02-13 2016-07-12 Allegro Microsystems, Llc Magnetic field sensor and related techniques that provide an angle error correction module
US9400164B2 (en) 2013-07-22 2016-07-26 Allegro Microsystems, Llc Magnetic field sensor and related techniques that provide an angle correction module
US9417295B2 (en) 2012-12-21 2016-08-16 Allegro Microsystems, Llc Circuits and methods for processing signals generated by a circular vertical hall (CVH) sensing element in the presence of a multi-pole magnet
US9448288B2 (en) 2014-05-20 2016-09-20 Allegro Microsystems, Llc Magnetic field sensor with improved accuracy resulting from a digital potentiometer
US9548443B2 (en) 2013-01-29 2017-01-17 Allegro Microsystems, Llc Vertical Hall Effect element with improved sensitivity
US9547048B2 (en) 2014-01-14 2017-01-17 Allegro Micosystems, LLC Circuit and method for reducing an offset component of a plurality of vertical hall elements arranged in a circle
US9574867B2 (en) 2013-12-23 2017-02-21 Allegro Microsystems, Llc Magnetic field sensor and related techniques that inject an error correction signal into a signal channel to result in reduced error
US9606190B2 (en) 2012-12-21 2017-03-28 Allegro Microsystems, Llc Magnetic field sensor arrangements and associated methods
US9638766B2 (en) 2014-11-24 2017-05-02 Allegro Microsystems, Llc Magnetic field sensor with improved accuracy resulting from a variable potentiometer and a gain circuit
US9684042B2 (en) 2015-02-27 2017-06-20 Allegro Microsystems, Llc Magnetic field sensor with improved accuracy and method of obtaining improved accuracy with a magnetic field sensor
US9739847B1 (en) 2016-02-01 2017-08-22 Allegro Microsystems, Llc Circular vertical hall (CVH) sensing element with signal processing
US9739848B1 (en) 2016-02-01 2017-08-22 Allegro Microsystems, Llc Circular vertical hall (CVH) sensing element with sliding integration
US9753097B2 (en) 2014-05-05 2017-09-05 Allegro Microsystems, Llc Magnetic field sensors and associated methods with reduced offset and improved accuracy
US9823092B2 (en) 2014-10-31 2017-11-21 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
US10120042B2 (en) 2013-12-23 2018-11-06 Allegro Microsystems, Llc Magnetic field sensor and related techniques that inject a synthesized error correction signal into a signal channel to result in reduced error
US10215550B2 (en) 2012-05-01 2019-02-26 Allegro Microsystems, Llc Methods and apparatus for magnetic sensors having highly uniform magnetic fields
US10385964B2 (en) 2016-06-08 2019-08-20 Allegro Microsystems, Llc Enhanced neutral gear sensor
US10481220B2 (en) 2016-02-01 2019-11-19 Allegro Microsystems, Llc Circular vertical hall (CVH) sensing element with signal processing and arctangent function
US10495701B2 (en) 2017-03-02 2019-12-03 Allegro Microsystems, Llc Circular vertical hall (CVH) sensing element with DC offset removal
US10585147B2 (en) 2016-06-14 2020-03-10 Allegro Microsystems, Llc Magnetic field sensor having error correction
US10739164B2 (en) 2017-01-27 2020-08-11 Allegro Microsystems, Llc Circuit for detecting motion of an object
US11163022B2 (en) 2015-06-12 2021-11-02 Allegro Microsystems, Llc Magnetic field sensor for angle detection with a phase-locked loop
US11473935B1 (en) 2021-04-16 2022-10-18 Allegro Microsystems, Llc System and related techniques that provide an angle sensor for sensing an angle of rotation of a ferromagnetic screw
US11802922B2 (en) 2021-01-13 2023-10-31 Allegro Microsystems, Llc Circuit for reducing an offset component of a plurality of vertical hall elements arranged in one or more circles

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Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055769U (ja) * 1983-09-26 1985-04-18 マツダ株式会社 エンジンの加熱装置
JPH0117643Y2 (ja) * 1983-09-26 1989-05-23
JPS61202051A (ja) * 1985-03-01 1986-09-06 Daido Steel Co Ltd 太陽エネルギ−利用装置
US8786279B2 (en) 2011-02-25 2014-07-22 Allegro Microsystems, Llc Circuit and method for processing signals generated by a plurality of sensors
US9182250B2 (en) 2011-02-25 2015-11-10 Allegro Microsystems, Llc Circular vertical hall magnetic field sensing element and method with a plurality of continuous output signals
US9062990B2 (en) 2011-02-25 2015-06-23 Allegro Microsystems, Llc Circular vertical hall magnetic field sensing element and method with a plurality of continuous output signals
US8729890B2 (en) 2011-04-12 2014-05-20 Allegro Microsystems, Llc Magnetic angle and rotation speed sensor with continuous and discontinuous modes of operation based on rotation speed of a target object
US8860410B2 (en) 2011-05-23 2014-10-14 Allegro Microsystems, Llc Circuits and methods for processing a signal generated by a plurality of measuring devices
US8890518B2 (en) 2011-06-08 2014-11-18 Allegro Microsystems, Llc Arrangements for self-testing a circular vertical hall (CVH) sensing element and/or for self-testing a magnetic field sensor that uses a circular vertical hall (CVH) sensing element
US8793085B2 (en) 2011-08-19 2014-07-29 Allegro Microsystems, Llc Circuits and methods for automatically adjusting a magnetic field sensor in accordance with a speed of rotation sensed by the magnetic field sensor
US9411023B2 (en) 2011-09-07 2016-08-09 Allegro Microsystems, Llc Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element
US8922206B2 (en) 2011-09-07 2014-12-30 Allegro Microsystems, Llc Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element
US9285438B2 (en) 2011-09-28 2016-03-15 Allegro Microsystems, Llc Circuits and methods for processing signals generated by a plurality of magnetic field sensing elements
US9046383B2 (en) 2012-01-09 2015-06-02 Allegro Microsystems, Llc Systems and methods that use magnetic field sensors to identify positions of a gear shift lever
US9182456B2 (en) 2012-03-06 2015-11-10 Allegro Microsystems, Llc Magnetic field sensor for sensing rotation of an object
US10215550B2 (en) 2012-05-01 2019-02-26 Allegro Microsystems, Llc Methods and apparatus for magnetic sensors having highly uniform magnetic fields
US8749005B1 (en) 2012-12-21 2014-06-10 Allegro Microsystems, Llc Magnetic field sensor and method of fabricating a magnetic field sensor having a plurality of vertical hall elements arranged in at least a portion of a polygonal shape
US9417295B2 (en) 2012-12-21 2016-08-16 Allegro Microsystems, Llc Circuits and methods for processing signals generated by a circular vertical hall (CVH) sensing element in the presence of a multi-pole magnet
US9606190B2 (en) 2012-12-21 2017-03-28 Allegro Microsystems, Llc Magnetic field sensor arrangements and associated methods
US9548443B2 (en) 2013-01-29 2017-01-17 Allegro Microsystems, Llc Vertical Hall Effect element with improved sensitivity
US10205093B2 (en) 2013-01-29 2019-02-12 Allegro Microsystems, Llc Vertical hall effect element with improved sensitivity
US9377285B2 (en) 2013-02-13 2016-06-28 Allegro Microsystems, Llc Magnetic field sensor and related techniques that provide varying current spinning phase sequences of a magnetic field sensing element
US9389060B2 (en) 2013-02-13 2016-07-12 Allegro Microsystems, Llc Magnetic field sensor and related techniques that provide an angle error correction module
US9099638B2 (en) 2013-03-15 2015-08-04 Allegro Microsystems, Llc Vertical hall effect element with structures to improve sensitivity
US9400164B2 (en) 2013-07-22 2016-07-26 Allegro Microsystems, Llc Magnetic field sensor and related techniques that provide an angle correction module
US9312473B2 (en) 2013-09-30 2016-04-12 Allegro Microsystems, Llc Vertical hall effect sensor
US9735345B2 (en) 2013-09-30 2017-08-15 Allegro Microsystems, Llc Vertical hall effect sensor
US9574867B2 (en) 2013-12-23 2017-02-21 Allegro Microsystems, Llc Magnetic field sensor and related techniques that inject an error correction signal into a signal channel to result in reduced error
US10120042B2 (en) 2013-12-23 2018-11-06 Allegro Microsystems, Llc Magnetic field sensor and related techniques that inject a synthesized error correction signal into a signal channel to result in reduced error
US9547048B2 (en) 2014-01-14 2017-01-17 Allegro Micosystems, LLC Circuit and method for reducing an offset component of a plurality of vertical hall elements arranged in a circle
US9753097B2 (en) 2014-05-05 2017-09-05 Allegro Microsystems, Llc Magnetic field sensors and associated methods with reduced offset and improved accuracy
US9448288B2 (en) 2014-05-20 2016-09-20 Allegro Microsystems, Llc Magnetic field sensor with improved accuracy resulting from a digital potentiometer
US10753769B2 (en) 2014-10-31 2020-08-25 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
US10753768B2 (en) 2014-10-31 2020-08-25 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
US9823092B2 (en) 2014-10-31 2017-11-21 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
US11307054B2 (en) 2014-10-31 2022-04-19 Allegro Microsystems, Llc Magnetic field sensor providing a movement detector
US9638766B2 (en) 2014-11-24 2017-05-02 Allegro Microsystems, Llc Magnetic field sensor with improved accuracy resulting from a variable potentiometer and a gain circuit
US9684042B2 (en) 2015-02-27 2017-06-20 Allegro Microsystems, Llc Magnetic field sensor with improved accuracy and method of obtaining improved accuracy with a magnetic field sensor
US11287489B2 (en) 2015-06-12 2022-03-29 Allegro Microsystems, Llc Magnetic field sensor for angle detection with a phase-locked loop
US11163022B2 (en) 2015-06-12 2021-11-02 Allegro Microsystems, Llc Magnetic field sensor for angle detection with a phase-locked loop
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