JPS623981U

JPS623981U -

Info

Publication number: JPS623981U
Application number: JP9519585U
Authority: JP
Priority date: 1985-06-25
Filing date: 1985-06-25
Publication date: 1987-01-10

Description

[Brief explanation of the drawing]

第１図〜第４図は本考案の実施例を示すもので
、第１図及び第４図は本考案のそれぞれ第１、第
２実施例を示し、第２図及び第３図は圧縮空気の
大気放出及び圧縮機の停止、制御に関する概略図
を示すものである。第５図は先行技術の配管系統
を示すものである。１０……レシーバタンク、１１……吐出管、１
２……管路、２０……ドレーンタンク、２１……
逆止弁、２２……管路、２５……三方電磁弁、２
６……管路、２８……上室、２９……下室、３０
……オートレリーフバルブ、３１……ダイヤフラ
ム室、３２……三方電磁弁、３３……ダイヤフラ
ム、３４……排気口、３５……弁体、３６……サ
イレンサ、３７……管路、３８……減圧弁、３９
……管路、４０……吸気閉塞型アンローダ、４１
……閉弁受圧室、４２……ダイヤフラム、４３…
…２次室、４４……アンローダバルブ、４５……
吸入孔、４６……吸入室、４８……逆止弁、５２
……管路、５３……ストレーナ、５４……オリフ
イス、５６……仕切板、ＰＳ１，ＰＳ２……圧力
スイツチ。 1 to 4 show embodiments of the present invention, FIGS. 1 and 4 show the first and second embodiments of the present invention, respectively, and FIGS. This figure shows a schematic diagram of the air discharge into the atmosphere and the stop and control of the compressor. FIG. 5 shows a prior art piping system. 10...Receiver tank, 11...Discharge pipe, 1
2...Pipe line, 20...Drain tank, 21...
Check valve, 22...Pipe line, 25...Three-way solenoid valve, 2
6...Pipeline, 28...Upper chamber, 29...Lower chamber, 30
...Auto relief valve, 31...Diaphragm chamber, 32...Three-way solenoid valve, 33...Diaphragm, 34...Exhaust port, 35...Valve body, 36...Silencer, 37...Pipe line, 38... pressure reducing valve, 39
... Pipe line, 40 ... Intake blockage type unloader, 41
...Close valve pressure receiving chamber, 42...Diaphragm, 43...
...Secondary chamber, 44...Unloader valve, 45...
Suction hole, 46... Suction chamber, 48... Check valve, 52
... Pipe line, 53 ... Strainer, 54 ... Orifice, 56 ... Partition plate, PS1, PS2 ... Pressure switch.

Claims

[Scope of Claim for Utility Model Registration] (1) An intake blocking type unloader installed in the intake chamber of the compressor, and a pipe line for introducing compressed air from the receiver tank into this unloader, and the unloading time of the compressor is set for a certain period of time. In a compressor configured to release the pressure in the receiver tank to the atmosphere and stop operation when the pressure in the receiver tank decreases to a pressure that allows restarting in relation to the starting torque applied to the prime mover, if A conduit for directly introducing compressed air from the receiver tank into the closed valve pressure receiving chamber of the unloader, and a conduit for introducing the compressed air from the receiver tank to the auto-relief valve via a drain tank; 1. A capacity control device for a compressor, characterized in that two pipelines are configured to communicate with each other through an orifice attached to a drain tank. (2) A conduit that directly introduces compressed air from the receiver tank into the closed-valve pressure receiving chamber of the unloader and a conduit that introduces the compressed air from the receiver tank to the secondary chamber of the unloader via a drain tank are connected by an orifice. A capacity control device for a compressor as claimed in claim 1 of the registered utility model. (3) dividing the drain tank into two chambers, communicating the two chambers through an orifice, and providing a conduit in the primary chamber for directly introducing compressed air from the receiver tank into the closed valve pressure receiving chamber of the unloader; 2. A capacity control device for a compressor according to claim 1, wherein a conduit is provided in the next chamber for introducing compressed air from the receiver tank to an auto relief valve via a drain tank. (4) A claim for utility model registration in which a pipe that introduces compressed air from a receiver tank into the secondary chamber of the unloader is branched from a pipe that directly introduces compressed air from the receiver tank into the closed-valve pressure receiving chamber of the unloader. A capacity control device for a compressor according to scope 1. (5) A capacity control device for a compressor according to claim 1, wherein a throttle valve is interposed in a conduit for introducing compressed air from a receiver tank into the drain tank. (6) A utility model registration request in which the pipe line leading from the receiver tank to the closed valve pressure receiving chamber of the unloader and the pipe line introducing compressed air from the drain tank are configured with a large diameter and a small diameter, respectively. Range 1
Capacity control device for the compressor described in 2.