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Compressor

a compressor and compression tube technology, applied in the field of compressors, can solve the problems of increasing the cost of setting the tank and the piping, the large labor and considerable time required for laying out the devices, etc., and achieves the effect of reducing the resultant load, easy and safe transportation, and short period of tim

Inactive Publication Date: 2009-01-15
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009]Accordingly, it is an object of the present invention to provide a compressor which may be easily installed in a small space without preparing an additional inlet tank.

Problems solved by technology

In the aforementioned case, the space for setting the additional inlet tank separately from the compressor is required, thus increasing as the cost for setting the tank and the piping.
When the booster type compressor is used in the other place, both the compressor and the inlet tank have to be moved, resulting in large labor and considerable time required for laying out those devices.

Method used

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first embodiment

[0059]Configurations of the first and the second tanks 2 and 9 will be described hereinafter. In the first embodiment, the first tank 2 has substantially the same outer configuration as that of the second tank 9 in consideration with the productivity and the balance in the external appearance. Each of the first and the second tanks 2 and 9 may be formed to have the minimum possible volume for the purpose of making the air compressor 1 light-in-weight and compact.

[0060]A communication pipe 12 communicates the first tank 2 with the second tank 9, and distributes the low compressed air which has been supplied to the first tank 2 to the second tank 9. A check valve 13 to be described later is provided in an intermediate position of the communication pipe 12.

[0061]The check valve 13 is provided in the intermediate position of the communication pipe 12 for communicating the first tank 2 with the second tank 9. The check valve 13 allows the low compressed air to flow from the first tank 2 ...

second embodiment

[0103]the booster type air compressor according to the present invention will be described referring to FIG. 5.

[0104]In the embodiment, the first tank and the second tank have the cylindrical bodies in parallel with each other in the longitudinal direction, and vertically installed on the mount surface. In the second embodiment, the same components as those in the first embodiment will be designated with the same reference codes with dash.

[0105]FIG. 5 shows a booster type air compressor 41 according to the second embodiment. A first tank 42 and a second tank 43 which form the air compressor 41 have the cylindrical bodies in parallel with each other in the longitudinal direction, and vertically installed on the mount surface using leg portions 42A and 43A. This makes it possible to reduce the space requiring installation of the air compressor 41.

[0106]A main body 5′ of the compressor and an electric motor 8′ are mounted on a base 44 above the first tank 42 and the second tank 43. A p...

third embodiment

[0110]A booster type air compressor according to the present invention will be described referring to FIGS. 6 and 7.

[0111]In the embodiment, the first tank and the second tank are arranged having a gap therebetween, and the main body of the compressor is installed between the first and the second tanks so as to be partially fit therebetween.

[0112]In the embodiment, the single assembly formed by combining the first tank, the main body and the second tank includes handgrips at both ends of the cylindrical body in the longitudinal direction such that the assembly is gripped. The third embodiment has substantially the same structure as that of the first embodiment. The main feature of the embodiment will only be described, and description and drawing of the other portion will be omitted.

[0113]FIG. 6 shows a booster type air compressor 51 according to a third embodiment. FIG. 7 shows a first tank 52 as a cylindrical body, and a second tank 53 arranged in parallel with and apart from the ...

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Abstract

A first tank, a main body of a compressor, an electric motor, and a second tank are combined to form a single assembly. A booster type air compressor as the single assembly including the first tank may be easily carried. The first tank at an inlet side is integrally combined to prevent a pulsation in the supplied compressed air for eliminating the drain contained in the compressed air. The air compressor, thus, is structured to discharge high compressed air from a high-pressure outlet joint formed on the second tank.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a compressor which boosts preliminary compressed fluid such as air so as to be stored as high compressed fluid in a tank.[0003]2. Description of the Related Art[0004]In a recent plant, a piping for supplying compressed air into a plant has been installed such that various pneumatic devices connected to the respective outlet joints of the piping may be operated. If the compressed air at the pressure higher than the one supplied from the piping in the plant is required, the compressor is connected to the outlet joint of the piping for further boosting the preliminarily compressed air supplied from the piping.[0005]Japanese Unexamined Patent Application Publication No. 2007-51614 discloses a booster type compressor formed of a main body driven by an electric motor to suck air for recompression so as to discharge the resultant high compressed air, and a tank which stores the high compressed ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F04B37/12F04B39/00
CPCF04B41/02F04B37/12Y10T137/86019
Inventor MANNEN, HIROMITSUUMEZAWA, KENJITAKAHASHI, DAISUKEUMEDA, KEN
Owner HITACHI LTD
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