EP 3377763 B1 20201209 - RECIPROCATING DRIVE MECHANISM WITH A SPOOL VENT
Title (en)
RECIPROCATING DRIVE MECHANISM WITH A SPOOL VENT
Title (de)
HIN- UND HERBEWEGENDER ANTRIEBSMECHANISMUS MIT SPULENENTLÜFTUNG
Title (fr)
MÉCANISME D'ENTRAÎNEMENT ALTERNATIF PRÉSENTANT UN ÉVENT DE BOBINE
Publication
Application
Priority
- US 201514945787 A 20151119
- US 2016059708 W 20161031
Abstract (en)
[origin: WO2017087146A1] A reciprocating drive mechanism. The reciprocating drive mechanism may comprise: a spool assembly and a spool housing. The spool assembly may be reciprocally movable within a spool chamber of the spool housing. The spool housing may comprise a first seal, a second seal, and a third seal. When the spool assembly is within the spool chamber, the first seal, the second seal, and the third seal may divide the spool chamber into a distal chamber, an intermediate chamber, a supply chamber, and a proximal chamber, respectively. The spool assembly may comprise a first spool vent that is in fluid communication with the distal chamber. The spool housing may comprise a first housing vent that is in fluid communication with the intermediate chamber. The first spool vent may be in fluid communication with the first housing vent when an outlet of the first spool vent is aligned within the intermediate chamber.
IPC 8 full level
F04D 13/02 (2006.01); F04B 9/12 (2006.01); F04B 53/02 (2006.01); F04D 29/08 (2006.01); F16K 11/07 (2006.01)
CPC (source: EP)
F04B 7/02 (2013.01); F04B 7/0208 (2013.01); F04B 9/1253 (2013.01); F04B 9/1256 (2013.01)
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2017087146 A1 20170526; CA 2997814 A1 20170526; CA 2997814 C 20210928; EP 3377763 A1 20180926; EP 3377763 A4 20190828; EP 3377763 B1 20201209
DOCDB simple family (application)
US 2016059708 W 20161031; CA 2997814 A 20161031; EP 16866838 A 20161031