JPH026963U

JPH026963U -

Info

Publication number: JPH026963U
Application number: JP8289288U
Authority: JP
Priority date: 1988-06-24
Filing date: 1988-06-24
Publication date: 1990-01-17

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の縦断面図、第２図
は上記実施例と従来例の各膨脹弁の制御圧力特性
を比較的に示した線図、第３図は従来の冷凍サイ
クルを示す回路図、第４図は従来の膨脹弁の縦断
面図である。１……可変容量圧縮機、２……凝縮器、３……
受液器、４……膨脹弁、５……蒸発器、１０１…
…ダイアフラム、１０３……空間、１０４……イ
コライザー、１０５……作動棒、１０６……弁、
１０７……スプリング、１０８……調節ねじ、１
０９……弁シート部、１１０……感温部、１１１
……活性炭。 Fig. 1 is a longitudinal sectional view of an embodiment of the present invention, Fig. 2 is a diagram comparatively showing the control pressure characteristics of each expansion valve of the above embodiment and a conventional example, and Fig. 3 is a diagram of a conventional refrigeration cycle. FIG. 4 is a longitudinal sectional view of a conventional expansion valve. 1... variable capacity compressor, 2... condenser, 3...
Liquid receiver, 4... Expansion valve, 5... Evaporator, 101...
...diaphragm, 103...space, 104...equalizer, 105...operating rod, 106...valve,
107...Spring, 108...Adjustment screw, 1
09...Valve seat part, 110...Temperature sensing part, 111
...Activated charcoal.

補正昭６３．７．８実用新案登録請求の範囲を次のように補正する
。Amendment July 8, 1983 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】可変容量圧縮機、凝縮器、膨脹弁及び蒸発器を
備えた冷凍サイクルにおいて、前記膨脹弁に低熱
負荷域で制御過熱度がゼロ又は負となる特性を付
加したことを特徴とする冷凍サイクル。[Claims for Utility Model Registration] In a refrigeration cycle equipped with a variable capacity compressor, a condenser, an expansion valve, and an evaporator, a characteristic is added to the expansion valve so that the controlled degree of superheat becomes zero or negative in a low heat load range. A refrigeration cycle featuring:

Claims

[Scope of utility model registration request]

A refrigeration cycle equipped with a variable capacity compressor, a condenser, an expansion valve, and an evaporator, the refrigeration cycle being characterized in that the controlled superheat degree is zero or negative in a low heat load range.