Global Patent Index - EP 1072085 A1

EP 1072085 A1 2001-01-31 - A HIGH-VOLTAGE PULSE GENERATOR

Title (en)

A HIGH-VOLTAGE PULSE GENERATOR

Title (de)

HOCHSPANNUNGSPULSGENERATOR

Title (fr)

GENERATEUR D'IMPULSIONS HAUTE TENSION

Publication

EP 1072085 A1 (EN)

Application

EP 99912868 A

Priority

  • US 9906407 W
  • US 7921498 P

Abstract (en)

[origin: WO9949561A1] The present invention provides a high-voltage pulse generator system particularly suited for Pulsed Electric Field (PEF) treatment of food products. The system includes, for example, a power source, an energy storage component (106) in circuit communication with the power source and for storing energy from the power source, a plurality of switches (U11, U12) for opening and closing periodically to discharge the energy storage component (106), and a load (104) comprising at least one Pulse Electric Field (PEF) treatment chamber in which biological cells are subjected to PEF treatment. The power source charges energy storage component (106) and a trigger device (102) appropriately triggers the opening and closing of the switches (U11, U12). The switches (U11, U12) may be arranged in any one of a number of configurations including, for example, an H-bridge switch configuration where the load (104) is in circuit communication with the switches (U11, U12) through the bridge portion of the H-bridge. Additionally, a plurality of energy storage component (106) arrangements are also disclosed.

IPC 1-7 (main, further and additional classification)

H02M 7/515; A23L 3/00

IPC 8 full level (invention and additional information)

A23L 3/32 (2006.01); A61L 2/02 (2006.01); H02M 9/04 (2006.01); H03K 3/57 (2006.01)

CPC (invention and additional information)

H03K 3/57 (2013.01); A23L 3/32 (2013.01); A61L 2/02 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

EPO simple patent family

WO 9949561 A1 19990930; AU 3113699 A 19991018; CA 2325691 A1 19990930; CA 2325691 C 20080617; EP 1072085 A1 20010131; EP 1072085 A4 20041013

INPADOC legal status


2007-07-11 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20070116

2006-08-02 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20060704

2004-10-13 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20040830

2001-05-16 [RIN1] INVENTOR (CORRECTION)

- Ref Legal Event Code: RIN1

- Inventor name: ZHANG, QINGHUA, HOWARD

2001-05-16 [RIN1] INVENTOR (CORRECTION)

- Ref Legal Event Code: RIN1

- Inventor name: QUI, XIANGXIAO

2001-01-31 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001016

2001-01-31 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE ES FR GB IT LI NL SE