JPS63191287U

JPS63191287U -

Info

Publication number: JPS63191287U
Application number: JP585787U
Authority: JP
Priority date: 1987-01-19
Filing date: 1987-01-19
Publication date: 1988-12-09

Description

[Brief explanation of drawings]

第１図はこの考案の回転型圧縮機の容量制御機
構の一実施例の要部の構成を示す断面図、第２図
は同上実施例におけるガス連絡ポートの位置の範
囲と一例を示す平面図、第３図および第４図は同
上実施例における圧縮要素内の圧力をクランク軸
角度によつて表わした図、第５図は従来の回転圧
縮機の容量制御機構の要部の断面図である。１は仕切板、２，３はシリンダ、４は回転軸、
５，６はローリングピストン、７は主軸受板、８
は副軸受板、９は制御弁、１０はばね、１１は制
御ポート、１３は吸入ポート、１５はガス連絡ポ
ート。なお、図中同一符号は同一または相当部分
を示す。 FIG. 1 is a cross-sectional view showing the configuration of essential parts of an embodiment of the capacity control mechanism for a rotary compressor of this invention, and FIG. 2 is a plan view showing the range and example of the position of the gas communication port in the same embodiment. , FIG. 3 and FIG. 4 are diagrams showing the pressure within the compression element according to the crankshaft angle in the same embodiment as above, and FIG. 5 is a sectional view of the main part of the capacity control mechanism of a conventional rotary compressor. . 1 is a partition plate, 2 and 3 are cylinders, 4 is a rotating shaft,
5 and 6 are rolling pistons, 7 is the main bearing plate, 8
9 is a sub-bearing plate, 9 is a control valve, 10 is a spring, 11 is a control port, 13 is an intake port, and 15 is a gas communication port. Note that the same reference numerals in the figures indicate the same or corresponding parts.

補正昭６２．９．１図面の簡単な説明を次のように補正する。明細書第９頁１６行目に「１３は」とあるを、
「１３，１４は」と補正する。Amendment September 1, 1982 The brief description of the drawing is amended as follows. "13 is" on page 9, line 16 of the specification,
Correct it with "13 and 14".

Claims

[Scope of utility model registration request]

Two adjacent cylinders that form a compression element, two rolling pistons that are installed in each of these two cylinders and rotate eccentrically with the rotation of a rotating shaft, and two compression chambers that are interposed between the two cylinders. A rotary compression device having a connecting gas communication port between the inner diameter of the cylinder and the outermost trajectory of the inner diameter of the rolling piston, and comprising a partition plate having a built-in control mechanism for opening and closing the gas communication port. Machine capacity control mechanism.