EP 0437962 A3 19920115 - ROTARY PUMP
Title (en)
ROTARY PUMP
Publication
Application
Priority
CS 18490 A 19900115
Abstract (en)
[origin: EP0437962A2] The pump comprises a housing (1,2,3) defining a cylindrical working chamber (10), a piston in the form of a substantially cylindrical body (6) whose height corresponds to that of the working chamber (10) and a piston collar (7) in the form of a flat oval disc situated on the cylindrical body (6) obliquely to its axis. A side groove (16) is provided in the housing walls and comprises a reciprocable partition (8). A suction duct (1) and a discharge duct (6) are situated at either side of said slide groove (16). <IMAGE>
IPC 1-7
IPC 8 full level
F04C 2/356 (2006.01)
CPC (source: EP)
F04C 2/3568 (2013.01)
Citation (search report)
- [Y] US 4093408 A 19780606 - YAMAGUCHI YOSHICHIKA
- [Y] US 2628566 A 19530217 - LEO BERNER, et al
- [A] GB 352526 A 19310706 - JOHN JAMES OWEN
- [Y] BE 471573 A
- [Y] GB 191117366 A 19120725 - PITTLER UNIVERSAL ROTARY MACHI [GB]
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0437962 A2 19910724; EP 0437962 A3 19920115; CS 18490 A3 19920513
DOCDB simple family (application)
EP 90314055 A 19901220; CS 18490 A 19900115