Patent ID: 6314990
Filing Date: 2001-11-13
Classification: F04B,Y10T

Abstract:
A pressure valve for a compressor, which comprises an assembly of(a) a flat valve plate having plane surfaces and defining bores passing through the valve plate between the surfaces, the bores being spaced from each other,(b) a cylinder cover including(1) a substantially quadrangular base plate and(2) walls extending from the base plate to the flat valve plate,(3) the flat valve plate and cylinder cover enclosing a chamber therebetween,(c) a seal arranged between the flat valve plate and the cylinder cover walls,(d) fastening elements connecting the flat valve plate to the cylinder cover walls,(e) a valve spring arranged in the chamber above a valve seat, and(f) a substantially U-shaped holding-down element arranged in the chamber above the valve spring for holding down the valve spring, the holding-down element having(1) pins inserted in the bores, the pins being spaced sufficiently differently from each other than the bores whereby the pins are held in the bores under tension.