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Piston pump driving mechanism

A driving device and piston pump technology, which is applied to piston pumps, pumps, machines/engines, etc., to achieve cost-effectiveness and simple structure

Inactive Publication Date: 2007-08-15
陶磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a piston pump driving device in order to solve the problem of constant output liquid flow rate of the piston pump

Method used

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Embodiment 1

[0029] Embodiment 1, the driving device of the piston pump of the present invention is a cylinder 1 with a curved groove 2 on the side, and the curve equation is y 1 = k ( χ - a 4 ) 2 - A , ( 0 ≤ x ≤ a 2 )

[0030] y 2 = - k ( χ - 3 a 4 ) 2 + A , ( a 2 ≤ x ...

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Abstract

The invention discloses a piston pump driver, as one cylinder whose side is arranged with a curvature groove formed by following two curvature equations, wherein k is positive number, a is the bottom perimeter of the cylinder, y1 is the first curvature equation, and y2 is the second curvature equation. When the cylinder rotates in constant speed, the end of the piston rod slides vertically along the curvature groove, while the speed is the function of first degree of time t, then via combining 4n piston pumps (n is natural number), the output liquid flux is constant. The invention has simple structure and continuous function on the output liquid flux of single piston pump.

Description

technical field [0001] The invention relates to the technical field of hydraulic power systems in machinery, in particular, it is a piston pump driving device with a new structure. Background technique [0002] Most of the existing hydraulic pumps or liquid conveying equipment cannot make the liquid output (or input) flow rate G=c (c is a constant), although the current rotary piston pump can solve this problem, but the structure is more complicated, there are many moving parts, and the work is done alternately There is a step change of G from 0 to c in a pair of pistons, and the pressure boundary of the device is tested by the pressure step response. [0003] The present invention solves the step change problem of liquid output or input flow from the perspective of the piston pump driving mechanism, and uses a relatively simple method and fewer parts to achieve the effect of G=c (c is a constant). Contents of the invention [0004] The present invention provides a piston...

Claims

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Application Information

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IPC IPC(8): F04B9/02
Inventor 陶磊
Owner 陶磊
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