Global Patent Index - EP 3662160 B1

EP 3662160 B1 20210526 - FIELD EMISSION THRUSTER AND METHOD FOR CALIBRATION AND OPERATION OF A FIELD EMISSION THRUSTER

Title (en)

FIELD EMISSION THRUSTER AND METHOD FOR CALIBRATION AND OPERATION OF A FIELD EMISSION THRUSTER

Title (de)

FELDEMISSIONSANTRIEBSSYSTEM SOWIE VERFAHREN ZUM KALIBRIEREN UND BETREIBEN EINES FELDEMISSIONSANTRIEBSSYSTEMS

Title (fr)

PROPULSEUR À ÉMISSION DE CHAMP ET PROCÉDÉ D'ÉTALONNAGE ET DE FONCTIONNEMENT D'UN PROPULSEUR À EMISSION DE CHAMP

Publication

EP 3662160 B1 20210526 (DE)

Application

EP 18742465 A 20180716

Priority

  • DE 102017117316 A 20170731
  • EP 2018069251 W 20180716

Abstract (en)

[origin: CA3071022A1] The invention relates to a field emission propulsion system (1) for spacecraft, comprising: a control unit (4); a propulsion assembly (2) with a plurality of field emission propulsion units (23) that comprise an ion source with a plurality of ion emitters (222) and extraction electrodes (24), associated with said ion emitters (222) and arranged in a field arrangement; and a plurality of extraction electrode voltage sources (43), each associated with the extraction electrodes (24) to operate same, controlled by the control unit (4), using an individual extraction electrode voltage.

IPC 8 full level

F03H 1/00 (2006.01)

CPC (source: EP)

F03H 1/005 (2013.01)

Citation (opposition)

Opponent : ENPULSION GmbH

  • BOCK DANIEL, TAJMAR MARTIN, BOCK D, BETHGE M, TAJMAR M: "Highly Miniaturized FEEP Thrusters for CubeSat Applications ", PROCEEDINGS OF THE 67TH INTERNATIONAL ASTRONAUTICAL CONGRESS, 26 September 2016 (2016-09-26), pages 1 - 10, XP093039000
  • GOLLOR MATTHIAS, BREIER KLAUS: "Compact High Voltage Power Processing For Field Emission Electric Propulsion (FEEP)", THE 29TH INTERNATIONAL ELECTRIC PROPULSION CONFERENCE, 31 October 2005 (2005-10-31) - 4 November 2005 (2005-11-04), pages 1 - 8, XP093039005

Opponent : Enpulsion GmbH

  • JP H11230024 A 19990824 - MITSUBISHI ELECTRIC CORP
  • US 2008072565 A1 20080327 - BEKEY IVAN [US]
  • US 2010251690 A1 20101007 - KUENEMAN JAMES D [US], et al
  • I. VASIJEVICH ET AL.: "Development of an Indium mN-FEEP Thruster", 44TH AIAA/ASME/SAE/ASEE JOINT PORPULSION CON- FERENCE AND EXHIBIT, vol. 44, July 2008 (2008-07-01), pages 1 - 9, XP008161960, DOI: 10.2514/6.2008-4534
  • AMR PROPULSION INNOVATION: "IFM Nano Thruster - Product Description", 7 April 2017 (2017-04-07), pages 1 - 7, XP055897662
  • NICOLINI DAVIDE: "LISA Pathfinder Field Emission Thruster System Development Program", 30TH INTERNATIONAL ELECTRIC PROPULSION CONFERENCE, FLORENCE ITALY. 17-20 SEPTEMBER, 2007, 1 September 2017 (2017-09-01), pages 1 - 12, XP055897665
  • M. TAJMAR, C. A. SCHARLEMANN: "Development of Electric and Chemical Microthrusters", INTERNATIONAL JOURNAL OF AEROSPACE ENGINEERING, vol. 2011, 1 January 2011 (2011-01-01), pages 361215 - 361215-10, XP002696717, DOI: 10.1155/2011/361215
  • R. YOSHIDA ET AL.: "Micromachined multiple focused-ion- beam devices", JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, NANOTECHNOLOGY AND MICROELECTRONICS: MATERIALS, PRO- CESSING, MEASUREMENT, AND PHENOMENA, vol. 34, no. 2, XP012205696, DOI: 10.1116/1.4943561
  • PEREL: "Final Report for Colloid Thruster Technology (August 1970 - September 1971)", NASA CR-122385, 1 September 1971 (1971-09-01), pages 1 - 136, XP055897656
  • ANONYMOUS: "Wikipedia: Colloid Thruster", WIKIPEDIA, 13 December 2016 (2016-12-13), pages 1 - 2, XP055897659, [retrieved on 20220304]
  • ANONYMOUS: "Wikipedia: Taylor Cone", WIKIPEDIA, 30 November 2016 (2016-11-30), pages 1 - 2, XP055897660, [retrieved on 20220304]

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

DE 102017117316 A1 20190131; DE 102017117316 B4 20200402; AU 2018312508 A1 20200130; AU 2018312508 B2 20240523; CA 3071022 A1 20190207; DK 3662160 T3 20210823; EP 3662160 A1 20200610; EP 3662160 B1 20210526; JP 2020532671 A 20201112; JP 7171699 B2 20221115; LT 3662160 T 20210927; WO 2019025174 A1 20190207; WO 2019025174 A8 20190418

DOCDB simple family (application)

DE 102017117316 A 20170731; AU 2018312508 A 20180716; CA 3071022 A 20180716; DK 18742465 T 20180716; EP 18742465 A 20180716; EP 2018069251 W 20180716; JP 2020505447 A 20180716; LT 18742465 T 20180716