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1. (WO2018178118) VALVE CLOSURE FOR A PISTON COMPRESSOR VALVE AND METHOD FOR OPERATING THE VALVE CLOSURE

Pub. No.:    WO/2018/178118    International Application No.:    PCT/EP2018/057840
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Wed Mar 28 01:59:59 CEST 2018
IPC: F04B 39/08
F04B 39/10
F04B 7/00
F16K 3/08
F16K 1/24
Applicants: BURCKHARDT COMPRESSION AG
Inventors: VOSER, Alexandre
Title: VALVE CLOSURE FOR A PISTON COMPRESSOR VALVE AND METHOD FOR OPERATING THE VALVE CLOSURE
Abstract:
The invention relates to a valve closure (1a) for a piston compressor valve (1) comprising: a valve seat (2) having a plurality of passage openings (2a), a shaft (4) having an axis of rotation (D), and a closing element (3) for opening and closing the passage openings (2a), which closing element can be rotated about an axis of rotation (D); the closing element (3) being fixedly connected to the shaft (4); the valve seat (2) comprising a flat end face (2b), to which the passage openings (2a) lead; the valve seat (2) having a center (Z); the passage openings (2a) extending radially to the center (Z); and the closing element (3) having a center point (M) and a plurality of closing arms (3a) extending radially to the center point (M). The shaft (4) is mounted in the valve seat (2) in such a way that the shaft (4) can be rotated about the axis of rotation (D) and can be slid in the extension direction (L) of the axis of rotation (D); the axis of rotation (D) extending perpendicularly to the end face (2b) and through the center (Z); each closing arm (3a) having a sealing surface (3d) oriented toward the end face (2b); and the closing arms (3a) being substantially complementary to the passage openings (2a) in order to close the passage openings (2a) by means of the sealing surfaces (3d) or open the passage openings in accordance with the rotation of the closing element (3).