Compressed-air compressor

Inactive Publication Date: 2013-07-25
FINI NUAIR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a compressor that can solve the issue of excessive noise caused by the receptacle design. The new design helps to reduce the noise from the compressor while still maintaining its effectiveness. This makes it easier to use and more pleasant for the user.

Problems solved by technology

Because of this and the fact that the electric motors normally employed have a relatively high breakaway torque and acceleration, the reaction forces increase rapidly when the motor is started up again, and may result in snapping of the drive belt.

Method used

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  • Compressed-air compressor
  • Compressed-air compressor
  • Compressed-air compressor

Examples

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Embodiment Construction

[0011]Number 1 in FIG. 1 indicates as a whole a compressor comprising a vertical plate or frame 2, which has a through hole 3 with a horizontal axis 4 and engaged in rotary manner by the output shaft 5 of a motor 6—in the example shown, an electric motor—fitted to frame 2 and for driving a pulley 7 fitted to an end portion of shaft 5 and located on the opposite side of frame 2 to motor 6.

[0012]Frame 2 has a further through hole 8, which has an axis 9 parallel to axis 4 of hole 3 and defining, with axis 4, a vertical plane coincident with the FIG. 1 plane. Hole 8 is located a given distance from hole 3, and is engaged in rotary manner by a shaft 10 of a further pulley 11, which is coplanar with pulley 7, is connected to pulley 7 by an endless belt 12, and defines, with pulley 7 and belt 12, a belt drive 13 for transmitting rotation of shaft 5 to pulley 11.

[0013]The top end of frame 2 has a lateral appendix 14, which lies in a horizontal plane perpendicular to the plane defined by axe...

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Abstract

A compressed-air compressor, the compressor having a cylinder; a piston mounted to slide along the cylinder and define, inside the cylinder, a variable-volume compression chamber; and an actuator assembly connected to the piston to impart to the piston a reciprocating travel, along the cylinder, between a top dead centre position and a bottom dead centre position; the actuator assembly having a belt drive; and the cylinder having a vent hole formed, at most, at 60% of the travel of the piston, measured from the top dead centre position.

Description

[0001]The present invention relates to a compressed-air compressor.[0002]More specifically, the present invention relates to a compressor of the type comprising a cylinder; a piston mounted to slide along the cylinder and define a variable-volume compression chamber inside the cylinder; and actuating means comprising a belt drive and connected to the piston to produce a reciprocating movement of the piston along the cylinder, between a top dead centre position and a bottom dead centre position.BACKGROUND OF THE INVENTION[0003]The belt drive normally comprises a belt mounted at one end to a first pulley fitted to the output shaft of a normally electric motor, and at the other end to a second pulley defining the crank of a connecting rod-crank mechanism for converting rotation of the first pulley into a reciprocating movement of the piston along the cylinder, between the bottom dead centre position (end of the intake stroke) and top dead centre position (end of the compression stroke)...

Claims

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Application Information

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IPC IPC(8): F04B13/00
CPCF04B39/122F04B13/00
InventorBALMA, ROBERTO
OwnerFINI NUAIR