Gear drive turbine compressor

A turbo compressor, gear-driven technology, applied in the direction of machines/engines, liquid fuel engines, mechanical equipment, etc., can solve the problems of damage to the impeller and casing, overheating, excessive contact between the impeller and the casing, etc., to reduce the possibility, Effect of preventing stirring loss

Inactive Publication Date: 2008-09-17
IHI ROTATING MACHINERY ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0020] However, the rotational speed of the impeller 51 is as high as tens of thousands of revolutions per minute, and the moment of inertia of the large gear shaft is also very large, so even if the compressor has been stopped, it will tak

Method used

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Example Embodiment

[0045] Hereinafter, the preferred embodiments of the present invention will be described with reference to the accompanying drawings. In each figure, the same parts are given the same reference numerals, and repetitive descriptions are omitted.

[0046] Figure 4 It is a partial cross-sectional view of the gear-driven turbo compressor provided by the present invention corresponding to FIG. 1B. In this figure, the gear-driven turbo compressor 10 of the present invention has a large gear 12, a small gear 14, an impeller 16, a thrust ring 18, and a thrust bearing 20.

[0047] In this figure, the gear-driven turbo compressor 10 of the present invention is a four-stage compressor, but the present invention is not limited to this. It can be a single-stage compressor, or a compressor of 2, 3, or 5 stages or more. machine.

[0048] The large gear 12 is driven by an unillustrated external drive device (motor, engine, or turbine) to rotate around the shaft center of the large gear shaft 11. Th

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Abstract

The gear drive turbine compressor of the invention has: a big gear (12) which is rotating by the drive of the external drive device, a small gear (14) rotating in high speed joggled with the big gear, an impeller (16) fixed on the small gear shaft (13) rotating in high speed taking the axial, a push-stopping ring (18) fixed on the small gear shaft supporting the lateral side of the big gear in sliding way or passing the shaft force of the small gear to the big gear, a push-stopping bearing (20) for bearing the shaft force on the big gear shaft, and a shaft moving quantity limiter (30) for limiting the shaft movement for the threshold value which is more than the small gear shaft (13).

Description

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Claims

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Application Information

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Owner IHI ROTATING MACHINERY ENG CO LTD
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