Global Patent Index - EP 1097306 A1

EP 1097306 A1 2001-05-09 - OSCILLATING MOTOR

Title (en)

OSCILLATING MOTOR

Title (de)

SCHWENKMOTOR

Title (fr)

MOTEUR OSCILLANT

Publication

EP 1097306 A1 (DE)

Application

EP 99919094 A

Priority

  • DE 9900742 W
  • DE 19812752 A

Abstract (en)

[origin: DE19812752C1] The engine has a sealing ring which is preloaded when then engine is stationary. On the cover side of the ring there are pressure equalisation grooves (33,35) which are connected to pressurisation ducts (34,38) in the seal ring (23) open to the pressure side. The static pressure in the interior volume (27) of the diagonal pressure ring (28) is equalised with the dynamic pressure in the pressure chamber (13).

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

F15B 15/12; F16J 15/34

IPC 8 full level (invention and additional information)

F01C 21/00 (2006.01); F15B 15/12 (2006.01)

CPC (invention and additional information)

F15B 15/12 (2013.01); F01C 21/003 (2013.01)

Citation (search report)

See references of WO 9949226A1

Designated contracting state (EPC)

DE ES FR GB IT SE

EPO simple patent family

DE 19812752 C1 19990812; EP 1097306 A1 20010509; EP 1097306 B1 20050727; ES 2245099 T3 20051216; US 6429551 B1 20020806; WO 9949226 A1 19990930

INPADOC legal status


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2005-12-16 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2245099 T3

2005-11-22 [REG SE TRGR] TRANSLATION OF GRANTED EP PATENT

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- Document: DE 59912339 P 20050901

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2003-08-27 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: ZF LEMFOERDER METALLWAREN AG

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