Global Patent Index - EP 0980062 A2

EP 0980062 A2 2000-02-16 - Ultrasonic transducer with protective cap

Title (en)

Ultrasonic transducer with protective cap

Title (de)

Ultraschallwandler mit Schutzkappen

Title (fr)

Transducteur à ultrason avec calotte de protection

Publication

EP 0980062 A2 (DE)

Application

EP 99115091 A

Priority

DE 19836194 A

Abstract (en)

The ultrasound source for a cleaner has a resonator (6) to which the wave converters (1a,b) are attached, enclosed in safety caps (2a,b). The caps have gas (10) feeds (4a,b) allowing passage through a chamber (5) of the resonator.

Abstract (de)

Es wird eine Vorrichtung zum Abstrahlen von Schallenergie in eine Flüssigkeit vorgeschlagen, die insbesondere in Ultraschall-Reinigungsanlagen Anwendung finden kann. Die Vorrichtung enthält mindestens eine Schallwandler (1a, 1b), der vollständig oder teilweise von einer Schutzkappa (2a, 2b) umgeben ist, sowie Mittel (4a) zur Zuführung von Gas in den Zwischenraum zwischen Schallwandler (1a, 1b) und Schutzklappe (2a, 2b). <IMAGE>

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

G10K 13/00

IPC 8 full level (invention and additional information)

G10K 11/00 (2006.01)

CPC (invention and additional information)

G10K 11/006 (2013.01)

Designated contracting state (EPC)

CH DE FR GB LI

EPO simple patent family

DE 19836194 C1 19991230; EP 0980062 A2 20000216; EP 0980062 A3 20030102

INPADOC legal status


2004-09-29 [18W] WITHDRAWN

- Effective date: 20040806

2003-09-24 [AKX] PAYMENT OF DESIGNATION FEES

- Designated State(s): CH DE FR GB LI

2003-09-03 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20030702

2003-01-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2003-01-02 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI

2003-01-02 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7G 10K 13/00 A, 7G 10K 11/00 B

2000-02-16 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-02-16 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI