EP 1437508 A1 20040714 - Valved piston compressor
Title (en)
Valved piston compressor
Title (de)
Integriertes Ringventil für einen Kompressorkolben
Title (fr)
Soupape annulaire intégrée dans le piston d'un compresseur
Publication
Application
Priority
EP 03000218 A 20030107
Abstract (en)
The device has a piston (1), received in a chamber of housing, including an outer peripheral portion with an annular groove (13) and an upper portion with openings. A sealing ring (2) is received in the annular groove of the piston. The openings of the piston are communicated with the groove and with the chamber when the sealing ring is loosely received in the upper portion of the groove.
IPC 1-7
IPC 8 full level
F04B 39/00 (2006.01); F04B 53/12 (2006.01)
CPC (source: EP)
F04B 39/0016 (2013.01); F04B 53/121 (2013.01); F04B 53/123 (2013.01)
Citation (applicant)
- US 5655887 A 19970812 - CHOU WEN-SAN [TW]
- US 6095758 A 20000801 - CHOU WEN-SAN [TW]
- US 6135725 A 20001024 - CHOU WEN-SAN [TW]
Citation (search report)
- [X] DE 975469 C 19611207 - MUELLER & CO SCHWELMER EISEN
- [X] GB 572095 A 19450921 - TURNER MFG COMPANY LTD, et al
- [X] DE 8985 C
- [A] EP 0312597 A1 19890426 - PROIZV OB Z IM M I KALININA [SU]
- [X] US 6200110 B1 20010313 - CHOU WEN SAN [TW]
- [X] US 5171135 A 19921215 - GANNAWAY EDWIN L [US], et al
- [A] US 4596515 A 19860624 - SIMON DONALD J [US], et al
- [X] US 2002106293 A1 20020808 - CARLSON ROBERT T [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
DOCDB simple family (publication)
EP 1437508 A1 20040714; EP 1437508 B1 20061025; AT E343723 T1 20061115; DE 60309280 D1 20061207; DE 60309280 T2 20070201
DOCDB simple family (application)
EP 03000218 A 20030107; AT 03000218 T 20030107; DE 60309280 T 20030107