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公开(公告)号:US11491706B2
公开(公告)日:2022-11-08
申请号:US16647677
申请日:2018-09-03
Applicant: BAE SYSTEMS plc
Inventor: Ian Anthony Moore , Daniel Benjamin Black , Mark Trevor Newman
IPC: B29C64/118 , B29C64/295 , B29C64/209 , C04B35/626 , C04B35/634 , H01G4/005 , B33Y10/00 , B33Y70/10
Abstract: A material for 3D printing is described. The material comprises a polymeric composition comprising a thermoplastic polymer; and from 50 to 99 wt. % ceramic particles comprising a metal, wherein at least 50% by weight of the particles have a diameter in a range from 10 to 100 μm; wherein the material has a dielectric strength of at least 5 kV/mm and/or a dielectric constant of at least 5.
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公开(公告)号:US20180336995A1
公开(公告)日:2018-11-22
申请号:US15777736
申请日:2016-11-23
Applicant: BAE Systems plc
Inventor: Michael James Parker , Ian Anthony Moore , Daniel James Scott
Abstract: A radio frequency (RF) transmitter, comprising a Tesla transformer and an LC oscillator, said Tesla transformer comprising inner and outer conductors (10, 20), said inner conductor (20) comprising a generally tubular magnetic core (22) carrying a conductive member (22a) on its outer surface and said outer conductor (10) comprising a generally tubular magnetic core (13) carrying a conductive member (12) on its inner surface, said LC oscillator including a secondary winding module (40) comprising a generally tubular body (41) carrying a conductive coil (42) on its outer surface, said inner conductor (20), outer conductor (10) and secondary winding module (40) being arranged in a substantially concentric nested configuration such that said inner conductor (20) is located within said secondary winding module (40) and said secondary winding module (40) is located within said outer conductor (10), wherein a first portion (45) of relatively high permittivity dielectric material is provided between said conductive member (22a) of said inner conductor (20) and said conductive coil (42) and a second portion (33) of relatively high permittivity dielectric material is provided between said conductive coil (42) and said conductive member (12) of said outer conductor (10).
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公开(公告)号:US10134521B1
公开(公告)日:2018-11-20
申请号:US15777736
申请日:2016-11-23
Applicant: BAE Systems plc
Inventor: Michael James Parker , Ian Anthony Moore , Daniel James Scott
CPC classification number: H01F27/32 , H01F19/04 , H01F27/24 , H01F27/28 , H01F27/324 , H01F27/40 , H01F41/04 , H01F2005/006 , H03B5/08 , H03B11/02 , H04B1/04
Abstract: A radio frequency (RF) transmitter, comprising a Tesla transformer and an LC oscillator, said Tesla transformer comprising inner and outer conductors (10, 20), said inner conductor (20) comprising a generally tubular magnetic core (22) carrying a conductive member (22a) on its outer surface and said outer conductor (10) comprising a generally tubular magnetic core (13) carrying a conductive member (12) on its inner surface, said LC oscillator including a secondary winding module (40) comprising a generally tubular body (41) carrying a conductive coil (42) on its outer surface, said inner conductor (20), outer conductor (10) and secondary winding module (40) being arranged in a substantially concentric nested configuration such that said inner conductor (20) is located within said secondary winding module (40) and said secondary winding module (40) is located within said outer conductor (10), wherein a first portion (45) of relatively high permittivity dielectric material is provided between said conductive member (22a) of said inner conductor (20) and said conductive coil (42) and a second portion (33) of relatively high permittivity dielectric material is provided between said conductive coil (42) and said conductive member (12) of said outer conductor (10).
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公开(公告)号:US12230994B2
公开(公告)日:2025-02-18
申请号:US17596220
申请日:2020-06-04
Applicant: BAE SYSTEMS plc
Inventor: Ian Anthony Moore , Michael James Parker , Daniel James Scott , Stuart James Toms
Abstract: There is provided an apparatus for pulse charging of a load capacitor, the apparatus comprising: a ferrous cored transformer having a primary winding and a secondary winding; a primary circuit connected to the primary winding; a secondary circuit connected to the secondary winding, the secondary circuit comprising the load capacitor; and an uncoupled inductance in the primary circuit or the secondary circuit, the uncoupled inductance reducing the coupling coefficient between the primary circuit and the secondary circuit.
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公开(公告)号:US20220302742A1
公开(公告)日:2022-09-22
申请号:US17596220
申请日:2020-06-04
Applicant: BAE SYSTEMS plc
Inventor: Ian Anthony Moore , Michael James Parker , Daniel James Scott , Stuart James Toms
Abstract: There is provided an apparatus for pulse charging of a load capacitor, the apparatus comprising: a ferrous cored transformer having a primary winding and a secondary winding; a primary circuit connected to the primary winding; a secondary circuit connected to the secondary winding, the secondary circuit comprising the load capacitor; and an uncoupled inductance in the primary circuit or the secondary circuit, the uncoupled inductance reducing the coupling coefficient between the primary circuit and the secondary circuit.
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公开(公告)号:US20200230873A1
公开(公告)日:2020-07-23
申请号:US16647677
申请日:2018-09-03
Applicant: BAE SYSTEMS plc
Inventor: Ian Anthony Moore , Daniel Benjamin Black , Mark Trevor Newman
IPC: B29C64/118 , H01G4/005 , B29C64/295 , B29C64/209 , C04B35/626 , C04B35/634
Abstract: A material for 3D printing is described. The material comprises a polymeric composition comprising a thermoplastic polymer; and from 50 to 99 wt. % ceramic particles comprising a metal, wherein at least 50% by weight of the particles have a diameter in a range from 10 to 100 μm; wherein the material has a dielectric strength of at least 5 kV/mm and/or a dielectric constant of at least 5.
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