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Scroll fluid machine

A fluid machinery and vortex technology, applied in the direction of rotary piston machinery, mechanical equipment, rotary piston pumps, etc., can solve problems such as difficult thrust loads

Inactive Publication Date: 2010-09-22
ANEST IWATA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes it very difficult to firmly counteract the thrust loads acting on the left and right orbiting scrolls

Method used

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  • Scroll fluid machine
  • Scroll fluid machine
  • Scroll fluid machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] An embodiment of the present invention will be described below with reference to the accompanying drawings.

[0013] figure 1 and image 3 Among them, on each side of a cylindrical casing 1 of a scroll fluid machine, a fixed scroll 2 including a fixed wrap 21 is fixed with a plurality of screws. L-shaped legs 20 , 20 fixed on a support (not shown) are fixed on the lower part of the housing 1 .

[0014] On an inner side surface of the fixed scroll 2, a spiral orbiting scroll 3 having a spiral wrapping cover 31 is engaged with the fixed cover 21 to form a compression chamber so as to rotate about a first axis O1.

[0015] The right orbiting scroll 2 is arranged inside the housing 1, and three known pin-crank anti-rotation devices 30 are arranged on the circle at 120° angular intervals. image 3 Only one anti-rotation device is shown in the figure. In this embodiment, the left and right orbiting scrolls 3 , 3 are fixed to the left and right ends of the thrust canceling...

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PUM

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Abstract

A scroll fluid machine comprises a housing, two fixed scrolls each of which is fixed on each side of the housing, an endless transmitting member connected to an electric motor, a driven pulley wound by the transmitting member, a thrust-offsetting shaft rotatably mounted at a position eccentric from a axis in the driven pulley, two orbiting scrolls each of which is fixed at each end of the thrust-offsetting shaft which rotates to form a compression chamber with the fixed scroll, and a self-rotation preventing device disposed between the housing and the orbiting scroll.

Description

technical field [0001] The present invention relates to a scroll fluid machine suitable for use as an air compressor and a vacuum pump. Background technique [0002] In JP2000-130365A, a scroll fluid machine includes: a casing, a fixed scroll fixed to each side of the casing, a motor in the casing, an eccentric bearing arranged between the motor and the fixed scroll, a The rotor rotates with the intermediate wheel of the eccentric bearing, the orbiting shaft rotates with the inner wheel of the eccentric bearing, and is fixed to the orbiting shaft to form a compression chamber on each side together with the fixed scroll An orbiting scroll and an anti-rotation device arranged between the orbiting scroll and the fixed part. [0003] In JP2006-183561A, an orbiting scroll is rotatably supported at each end of a single eccentric shaft rotatably mounted in a housing. The eccentric shaft is connected to and driven by an endless drive belt to the motor. [0004] In the scroll type...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/02
CPCF04C18/0215F04C29/0021F04C23/001F04C2240/52F04C23/02F04C29/005
Inventor 佐藤和昭
Owner ANEST IWATA CORP