EP 3879102 B1 20231206 - DIAPHRAGM PUMP AND PRESSURE REGULATING APPARATUS
Title (en)
DIAPHRAGM PUMP AND PRESSURE REGULATING APPARATUS
Title (de)
MEMBRANPUMPE UND DRUCKREGELUNGSVORRICHTUNG
Title (fr)
POMPE À DIAPHRAGME ET APPAREIL DE RÉGULATION DE PRESSION
Publication
Application
Priority
- JP 2020043930 A 20200313
- JP 2020043931 A 20200313
Abstract (en)
[origin: EP3879102A1] A diaphragm pump includes a fluid inlet, a fluid discharge port, and a fluid exhaust port that are open to outside of the diaphragm pump. The diaphragm pump further includes a pump chamber formed by a diaphragm, a suction passage that makes the pump chamber communicate with the fluid inlet; a suction valve that opens/closes the suction passage; a discharge passage that makes the pump chamber communicate with the fluid discharge port; a discharge valve that opens/closes the discharge passage; and an exhaust passage that makes the discharge passage communicate with the fluid exhaust port.
IPC 8 full level
F04B 43/00 (2006.01); F04B 43/02 (2006.01); F04B 45/04 (2006.01)
CPC (source: CN EP US)
F04B 39/10 (2013.01 - CN); F04B 43/0045 (2013.01 - EP); F04B 43/026 (2013.01 - EP); F04B 45/04 (2013.01 - EP); F04B 45/043 (2013.01 - EP US); F04B 45/047 (2013.01 - CN US); F04B 49/06 (2013.01 - CN); F04B 49/08 (2013.01 - CN); F04B 49/20 (2013.01 - CN); F04B 49/22 (2013.01 - CN)
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)
EP 3879102 A1 20210915; EP 3879102 B1 20231206; CN 113389716 A 20210914; CN 113389716 B 20230106; EP 4296513 A2 20231227; EP 4296513 A3 20240306; US 2021285436 A1 20210916; US 2024200549 A1 20240620
DOCDB simple family (application)
EP 21156792 A 20210212; CN 202110266651 A 20210311; EP 23209763 A 20210212; US 202117184670 A 20210225; US 202418592647 A 20240301