Global Patent Index - EP 1091793 A1

EP 1091793 A1 2001-04-18 - PREFILTRATION UNIT

Title (en)

PREFILTRATION UNIT

Title (de)

VORFILTEREINHEIT

Title (fr)

UNITE DE PREFILTRATION

Publication

EP 1091793 A1 (EN)

Application

EP 99929351 A

Priority

  • FI 9900470 W
  • FI 980274 U

Abstract (en)

[origin: WO9962615A1] Prefiltration unit for separating coarse impurities from the oil flow in an oil circulating lubrication system before an oil tank (1), said unit comprising a filter (2) in conjunction with the oil tank. Moreover, the prefiltration unit comprises a flow space (5) mounted in an opening (4) in the top (3) of the oil tank (1), an inlet space (7) provided with an air lock (6) and connected to the flow space via a flow connection, into which inlet space an oil flow return pipe (8) passes the return oil, and at least one filter (2) between the flow space and the oil tank for filtering the oil flowing from the inlet space into the flow space before the oil flows into the oil tank.

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

B01D 36/04

IPC 8 full level (invention and additional information)

B01D 36/04 (2006.01); F16N 39/06 (2006.01)

CPC (invention and additional information)

B01D 36/04 (2013.01); F16N 39/06 (2013.01)

Citation (search report)

See references of WO 9962615A1

Designated contracting state (EPC)

AT DE FI FR GB IT SE

EPO simple patent family

WO 9962615 A1 19991209; AU 4618899 A 19991220; EP 1091793 A1 20010418; FI 3649 U1 19981009; FI 980274 U0 19980601

INPADOC legal status


2004-06-09 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20031202

2001-04-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001128

2001-04-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT DE FI FR GB IT SE