JPH048794U

JPH048794U -

Info

Publication number: JPH048794U
Application number: JP4812890U
Authority: JP
Priority date: 1990-05-10
Filing date: 1990-05-10
Publication date: 1992-01-27

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例による流体機械の断
面図、第２図は同実施例の要部の拡大断面図であ
る。１……密閉容器、２……固定子、３……回転子
、４……圧縮装置、５……クランク軸、６……吸
入管、７……吸入口、８……固定スクロール部材
、９……うず巻体、１０……板体、１１……可動
スクロール部材、１２……うず巻体、１３……板
体、１４……流体ポケツト、１５……吐出口、１
６……圧縮機枠体、１７……吐出室、１８……圧
縮機吐出管、１９……軸受部、２０……スラスト
軸受、２１……第１の主軸部、２２……第２の主
軸部、２３……旋回駆動軸受、２４……旋回駆動
軸、２５……回転阻止装置、２８……潤滑油溜め
、３１……給油路、３２……給油溝、３３……貫
通孔、３４……油溝、３５……油溝、３６……潤
滑油排出口、３８……絶縁密閉排出口、４０……
トロコイド型ポンプ、４１……ポンプ枠体、４２
……アウターロータ、４３……インナーロータ、
４４……吸入口、４５……吐出口、４６……サイ
ドプレート、５０……通路、５１……連通室、６
０……ポンプ固定軸、６１……吸入路、６２……
連通室、６３……プロペラ。 FIG. 1 is a sectional view of a fluid machine according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of a main part of the embodiment. DESCRIPTION OF SYMBOLS 1...Airtight container, 2...Stator, 3...Rotor, 4...Compressor, 5...Crankshaft, 6...Suction pipe, 7...Suction port, 8...Fixed scroll member, 9 ... spiral body, 10 ... plate body, 11 ... movable scroll member, 12 ... spiral body, 13 ... plate body, 14 ... fluid pocket, 15 ... discharge port, 1
6... Compressor frame, 17... Discharge chamber, 18... Compressor discharge pipe, 19... Bearing section, 20... Thrust bearing, 21... First main shaft section, 22... Second main shaft Part, 23... Swing drive bearing, 24... Swivel drive shaft, 25... Rotation prevention device, 28... Lubricating oil reservoir, 31... Oil supply path, 32... Oil supply groove, 33... Through hole, 34... ...Oil groove, 35...Oil groove, 36...Lubricating oil outlet, 38...Insulated sealed outlet, 40...
Trochoid type pump, 41...Pump frame, 42
...Outer rotor, 43...Inner rotor,
44... Suction port, 45... Discharge port, 46... Side plate, 50... Passage, 51... Communication chamber, 6
0... Pump fixed shaft, 61... Suction path, 62...
Communication room, 63...Propeller.

Claims

[Scope of utility model registration request]

A compression device is provided above the airtight container, an electric motor for rotationally driving the compression device is provided below, and a rotor of the electric motor is coupled to a drive shaft of the compression device,
A lubricating oil reservoir for storing lubricating oil to be supplied to the compressor is provided below the electric motor, a pump frame of a lubricating oil pump is coupled to the lower end of the drive shaft, and a discharge port of the lubricating oil pump is connected to the drive shaft. A positive displacement rotary pump body is disposed inside the pump frame, and a pump fixing shaft for preventing rotation is engaged with the pump body, and the pump fixing shaft extending into the lubricating oil reservoir and providing a lubricating oil suction hole in the center thereof to communicate the lubricating oil reservoir with the suction side of the pump frame;
A fluid machine characterized in that the pump fixed shaft is provided with a fluid resistance element that is immersed in lubricating oil in the lubricating oil reservoir and receives the viscous resistance of the lubricating oil and applies the resistance to the pump fixed shaft.