Reduced-pressure servo device

The invention relates to a reduced-pressure servo device, of the type comprising a casing made of two parts, a diaphragm clamped between these two parts, and a return spring bearing against a membrane flat face. According to the invention, the return spring 5 has a rounded and elongate cross-section...

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Bibliographic Details
Main Author WALTER DENK
Format Patent
LanguageEnglish
French
Published 15.01.1988
Edition4
Subjects
BLASTING
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
WEAPONS
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Summary:The invention relates to a reduced-pressure servo device, of the type comprising a casing made of two parts, a diaphragm clamped between these two parts, and a return spring bearing against a membrane flat face. According to the invention, the return spring 5 has a rounded and elongate cross-sectional shape which corresponds to the cross-sectional shape of the two casing parts 2, 3. L'INVENTION CONCERNE UN SERVODISPOSITIF A DEPRESSION, DU TYPE COMPORTANT UN BOITIER EN DEUX PIECES, UNE MEMBRANE SERREE ENTRE CES DEUX PIECES, ET UN RESSORT DE RAPPEL EN APPUI CONTRE UN PLATEAU DE MEMBRANE.SELON L'INVENTION, LE RESSORT DE RAPPEL 5 PRESENTE UNE FORME DE SECTION TRANSVERSALE ARRONDIE ET ALLONGEE QUI CORRESPOND A LA FORME DE SECTION TRANSVERSALE DES DEUX PIECES DE BOITIER 2, 3.
Bibliography:Application Number: FR19870009855