Global Patent Index - EP 2196671 B1

EP 2196671 B1 20180124 - Piston vacuum pump

Title (en)

Piston vacuum pump

Title (de)

Kolbenvakuumpumpe

Title (fr)

Pompe à vide à piston

Publication

EP 2196671 B1 20180124 (DE)

Application

EP 09014531 A 20091120

Priority

DE 102008061897 A 20081211

Abstract (en)

[origin: EP2196671A2] The piston vacuum pump (1) has a cylinder sleeve (22) and a stroke piston (24) which is movably arranged in the cylinder sleeve. A seal (48) is arranged in the stroke piston for sealing a chamber between the stroke piston, cylinder sleeve and a drive. The drive operates a periodic movement of the stroke piston. A cooling medium stays in contact with the cylinder sleeve in heat-transferring manner.

IPC 8 full level

F04B 37/14 (2006.01); F04B 39/00 (2006.01); F04B 39/06 (2006.01); F04B 39/12 (2006.01); F04B 53/14 (2006.01); F04B 53/16 (2006.01)

CPC (source: EP)

F04B 37/14 (2013.01); F04B 39/0005 (2013.01); F04B 39/06 (2013.01); F04B 39/064 (2013.01); F04B 39/126 (2013.01); F04B 53/143 (2013.01); F04B 53/166 (2013.01)

Citation (examination)

None

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DOCDB simple family (publication)

EP 2196671 A2 20100616; EP 2196671 A3 20160706; EP 2196671 B1 20180124; DE 102008061897 A1 20100617

DOCDB simple family (application)

EP 09014531 A 20091120; DE 102008061897 A 20081211