Reciprocating compressor valves arrangement

Patent metadata

Field	Value
Publication number	US-10174756-B2
Application number	US-201515529156-A
Country	US
Kind code	B2
Filing date	Nov 25, 2015
Priority date	Nov 25, 2014
Publication date	Jan 8, 2019
Grant date	Jan 8, 2019

Abstract

The present relation relates to the technological field of compressors. Problem to be solved: The current reciprocating compressors valves arrangements includes valves whose flexion area suffer from direct interference of the body disposed immediately over said valve. Such feature, besides damaging de valve movement, further causes wear phenomena on the flexion areas of the valve, which can result in critical fault of the valve and consequently of the compressor. Resolution of the problem: It is revealed a valve arrange whose end valve capable of moving includes a flexion area previously defined and intentionally misaligned with any contact area of the body immediately disposed over the valve.

First claim

The invention claimed is:

1. Reciprocating compressor valves arrangement, comprising a main valve and a valve stop;
the main valve comprising a fixing end, a moving end, and a flexion area;
the valve stop comprising a fixing support area outlined by a crimping line end;
the beginning of the flexion area of the main valve being a transverse flexion line, and
the transverse flexion line of the flexion area of the main valve and the crimping line end of the fixing support area of the valve stop are longitudinally misaligned among them;
further comprising an auxiliary valve comprising a fixing end and a transverse flexion line, said auxiliary valve being disposed between the main valve and the valve stop, the fixing end of the main valve, and the fixing end of the auxiliary valve and the fixing support area of the valve stop are fixed one above each other;
characterized by the transverse flexion line of the main valve, the transverse flexion line of the auxiliary valve, and the crimping line end of the fixing support area of the valve stop are longitudinally misaligned to each other.

2. Reciprocating compressor valves arrangement, according to claim 1 , foreseen:
a third dimension related to a third extension between the beginning of the fixing end and the beginning of the flexion area of the main valve;
a second dimension related to a second extension between the beginning of the fixing end and the beginning of the flexion area of the auxiliary valve; and
a first dimension related to a first extension between the beginning of the fixing support area and the crimping line end of the valve stop,
the reciprocating compressor valves arrangement being characterized by the third dimension being larger than the first dimension, and the second dimension being larger than the first dimension and less than the third dimension.

3. Reciprocating compressor valves arrangement, according to claim 2 , characterized by:
the third dimension being from 1.2 to 2.5 times larger than the first dimension; and
the second dimension being 1.1 to 2.4 times larger than the first dimension, respecting that the second dimension should always be less than the third dimension.

Assignees

• Whirlpool Sa

Inventors

• Rodrigues Tadeu Tonheiro
• Fagotti Fabian
• Lilie Dietmar Erich Bernhard

Classifications

• F04B39/125

  Cylinder heads · CPC title

• F04B53/1037

  Flap valves · CPC title

• F04B53/1047 Primary

  the valve being formed by one or more flexible elements · CPC title

• Y10T137/7891

  Flap or reed · CPC title

• F04B53/104

  the closure member being a rigid element oscillating around a fixed point · CPC title