Four-in pump

A technology of coupled pumps and pistons, applied in the field of quadruple pumps, can solve problems such as pulsation and severe vibration

Inactive Publication Date: 2005-08-24
李基万 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, this positive displacement pump has some drawbacks such as pulsation and severe vibration due to the inscribed eccentric rotational movement of the piston

Method used

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Examples

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Embodiment Construction

[0042] The preferred embodiments of the present invention will be described below with reference to the drawings.

[0043] See figure 1 with figure 2 , The quadruple pump according to the first embodiment of the present invention includes: a gear box 21, which is arranged between the first cylinder block 100 and the second cylinder block 200; a transmission device 1 arranged in the gear box 21, which is connected to the motor 11 The drive shaft 13 is connected; the four eccentric shafts ES1 to ES4 are respectively mounted on the transmission device 1; and the four pistons 120, 160, 220, 260 are respectively mounted on the eccentric shafts ES1 to ES4, which are located in the first cylinder The upper and lower volume chambers 110, 150 of the body 100 and the upper and lower volume chambers 210, 250 of the second cylinder 200.

[0044] in figure 1 In this case, reference numeral 500 denotes a suction pipe connected to the suction ports of the first cylinder 100 and the second cyli...

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Abstract

Disclosed is a four-in pump which includes: a gear box ( 21 ) being arranged between a first and a second cylinder blocks ( 100 and 200 ), a gearing means ( 1 ) arranged within the gearbox ( 21 ) being connected with a driving shaft ( 13 ) of a motor ( 11 ), four eccentric shafts ES 1 through ES 4 being mounted for possibly performing eccentric rotational motion, on the gearing means ( 1 ), respectively, four pistons ( 120, 160, 220, 260 ) respectively mounted on the eccentric shafts ES 1 through ES 4 being arranged on an upper and a lower volume chambers ( 110 and 150 ) of the first cylinder block ( 100 ) and on an upper and a lower volume chambers ( 210 and 250 ) of the second cylinder block ( 200 ), respectively.

Description

Technical field [0001] The present invention relates to a four-in pump, in which pistons respectively arranged in four volume chambers perform pumping motion, and more specifically to such a four-in pump, in which four eccentric shafts are arranged in The transmission device of the gear box between the first and second cylinders performs eccentric rotation, and the pistons respectively mounted on the eccentric shafts are inscribed in the volume chambers in the first and second cylinders at different speeds from each other. Eccentric circular motion. Background technique [0002] Patent Application No. 2001-77842 (filed on December 10, 2001) discloses "Volumetype pump having a pair of volume chambers and assembling method thereof". [0003] According to the above positive displacement pump, the diameter of the eccentric shaft can be made large enough to withstand the torsional stress, and the side of the piston is tightly attached to the inner wall of the cylinder, so that the pum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/32F04C2/32F04C2/352F04C11/00
CPCF04C11/001F04C2/32F04C2/352
Inventor 李基万李完顺郭明顺李基原
Owner 李基万
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