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Current content: 158 251 954 patent documents

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170 720 new documents added

1 828 765 documents amended

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EP 0048486 B1 19831130 - DIAPHRAGM-PRESSURE REGULATOR

Title (en)

DIAPHRAGM-PRESSURE REGULATOR

Publication

EP 0048486 B1 19831130 (DE)

Application

EP 81107514 A 19810922

Priority

DE 3035925 A 19800924

Abstract (en)

[origin: US4406400A] A diaphragm operated pressure regulator having jointly operable principal and auxiliary springs, the auxiliary spring being readily exchangeable to vary the control characteristic of the regulator without affecting the maximum and minimum pressure adjustments of the regulator.

IPC 1-7

F23N 1/00; F23N 5/06

IPC 8 full level

F23N 1/00 (2006.01); F23N 5/06 (2006.01)

CPC (source: EP US)

F23N 1/007 (2013.01 - EP US); F23N 5/067 (2013.01 - EP US); F23N 2225/08 (2020.01 - EP US); Y10T 137/7764 (2015.04 - EP US)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0048486 A1 19820331; EP 0048486 B1 19831130; DE 3035925 A1 19820513; DE 3161557 D1 19840105; US 4406400 A 19830927

DOCDB simple family (application)

EP 81107514 A 19810922; DE 3035925 A 19800924; DE 3161557 T 19810922; US 30474981 A 19810923