EP4720552A2 - Elektromechanischer pwm-ventiltreiber mit zweiweg-stromrückführung - Google Patents

Elektromechanischer pwm-ventiltreiber mit zweiweg-stromrückführung

Info

Publication number
EP4720552A2
EP4720552A2 EP24811663.4A EP24811663A EP4720552A2 EP 4720552 A2 EP4720552 A2 EP 4720552A2 EP 24811663 A EP24811663 A EP 24811663A EP 4720552 A2 EP4720552 A2 EP 4720552A2
Authority
EP
European Patent Office
Prior art keywords
transistor
diode
inductive load
state
driver circuit
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.)
Pending
Application number
EP24811663.4A
Other languages
English (en)
French (fr)
Other versions
EP4720552A4 (de
Inventor
Charles V. Cammarata
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.)
Siemens Healthcare Diagnostics Inc
Original Assignee
Siemens Healthcare Diagnostics Inc
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 Siemens Healthcare Diagnostics Inc filed Critical Siemens Healthcare Diagnostics Inc
Publication of EP4720552A2 publication Critical patent/EP4720552A2/de
Publication of EP4720552A4 publication Critical patent/EP4720552A4/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/08142—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in field-effect transistor switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/1555—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only for the generation of a regulated current to a load whose impedance is substantially inductive

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electronic Switches (AREA)
EP24811663.4A 2023-05-24 2024-05-17 Elektromechanischer pwm-ventiltreiber mit zweiweg-stromrückführung Pending EP4720552A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363504188P 2023-05-24 2023-05-24
PCT/US2024/029894 WO2024243020A2 (en) 2023-05-24 2024-05-17 Pwm electromechanical valve driver with dual path current recirculation

Publications (2)

Publication Number Publication Date
EP4720552A2 true EP4720552A2 (de) 2026-04-08
EP4720552A4 EP4720552A4 (de) 2026-05-20

Family

ID=93590496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24811663.4A Pending EP4720552A4 (de) 2023-05-24 2024-05-17 Elektromechanischer pwm-ventiltreiber mit zweiweg-stromrückführung

Country Status (3)

Country Link
EP (1) EP4720552A4 (de)
CN (1) CN120787295A (de)
WO (1) WO2024243020A2 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08166825A (ja) * 1994-12-13 1996-06-25 Mitsubishi Electric Corp デューティソレノイドバルブの制御装置及び制御方法
US6493204B1 (en) * 1999-07-09 2002-12-10 Kelsey-Hayes Company Modulated voltage for a solenoid valve
WO2014060787A1 (en) * 2012-10-15 2014-04-24 Freescale Semiconductor, Inc. An inductive load control circuit, a braking system for a vehicle and a method of measuring current in an inductive load control circuit
US9065445B2 (en) * 2012-12-17 2015-06-23 Continental Automotive Systems, Inc. Voltage clamp assist circuit
IT201700034070A1 (it) * 2017-03-28 2018-09-28 St Microelectronics Srl Circuito di controllo della corrente in carichi induttivi e relativo metodo di controllo

Also Published As

Publication number Publication date
CN120787295A (zh) 2025-10-14
WO2024243020A3 (en) 2024-12-26
EP4720552A4 (de) 2026-05-20
WO2024243020A2 (en) 2024-11-28

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