EP 1233184 B1 20050216 - Piston pump with filtering piston
Title (en)
Piston pump with filtering piston
Title (de)
Kolbenpumpe mit Filterkolben
Title (fr)
Pompe à piston filtrant
Publication
Application
Priority
DE 10106758 A 20010214
Abstract (en)
[origin: US2002110464A1] A piston pump comprised of a cylinder (2), an automatically closing intake valve (3) to a pump chamber (4), a sealing reciprocating piston (5) and a sealing upstream filter piston (7), wherein the piston (5) together with the filter piston (7) are elastically spring-biased and axially limitedly moveable and form together with the filter piston (7) an automatically closing discharge valve (8).
IPC 1-7
IPC 8 full level
F04B 53/12 (2006.01); F04B 53/20 (2006.01)
CPC (source: EP US)
F04B 53/127 (2013.01 - EP US); F04B 53/20 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 1233184 A2 20020821; EP 1233184 A3 20031217; EP 1233184 B1 20050216; DE 10106758 A1 20020829; DE 50202256 D1 20050324; US 2002110464 A1 20020815; US 6634869 B2 20031021
DOCDB simple family (application)
EP 02405064 A 20020201; DE 10106758 A 20010214; DE 50202256 T 20020201; US 7549702 A 20020213