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Gerotor hydraulic pump

A technology of Gelaut pumps and pressure plates, applied in pumps, pump components, rotary piston pumps, etc., can solve the problems of plate abrasion, planing, equipment damage, etc., and achieve the effects of high production pressure capacity and high volumetric efficiency

Inactive Publication Date: 2013-12-18
蔡希逾
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, tight seal engagement may result in undesired galling and gouging of the rotor and plate, resulting in equipment damage

Method used

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  • Gerotor hydraulic pump
  • Gerotor hydraulic pump
  • Gerotor hydraulic pump

Examples

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Embodiment Construction

[0029] The following description is merely an example of the present invention in nature, and should not be used to limit its disclosure, application, or use. For clarity, the same reference numerals in the figures, with or without the addition of one or more primes, refer to similar components. References herein to at least one of A, B and C should be construed as a logical relationship (A or B or C) with the non-exclusive logical word "or". Unless otherwise indicated, steps of methods described may be executed in different order without departing from the principles of the invention.

[0030] A Gerot pump according to the disclosure herein can provide hydraulic pressure to a mechanical drive system. Gerotor pumps include a drive shaft that meshes with an inner rotor. The inner rotor is located inside the outer rotor and forms a rotor set together with the outer rotor. The inner rotor may be an inner rotor assembly comprising lobe bodies which act as gear teeth of the inne...

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Abstract

A gerotor pump having an outer rotor defining an inner surface of the outer rotor, a thrust plate, a pressure plate, an inlet chamber for fluid intake through the thrust plate to be pressurized, and an outlet chamber for outputting pressurized fluid from the pressure plate. The gerotor pump includes an inner rotor assembly in rotating engagement with the outer rotor. The inner rotor assembly rotating about an axis, the inner rotor assembly comprises a rotor body, wherein the rotor body includes N (an integer greater than one) vane slots defining a first sealing surface, and the rotor body includes N inner openings around the axis, each of the inner opening adjoining a vane slot; and a plurality of vanes defining a second sealing surface, wherein the vane is disposed in the vane slot and in sealing engagement with the rotor body via the first and second sealing surfaces. The inner rotor assembly is in sealing engagement with the outer rotor by the vane engaging on the inner surface of the outer rotor.

Description

[0001] Cross References to Related Applications [0002] This application is entitled to the benefit of US Provisional Patent Application No. 61 / 305,211 filed January 26, 2010. The disclosure of this application is hereby incorporated by reference. technical field [0003] The present invention relates to gerotor type hydraulic pumps, and in particular to inner rotor assemblies having improved volumetric efficiency. Background technique [0004] This background note is for general disclosure purposes. In the technical background and description part of this application, the inventor cannot assume that the inventor recognizes the prior art, and the inventor does not imply or admit that the prior art is relative to the current disclosure. [0005] Gerot pumps have a wide range of applications. These devices are used in compressors in air conditioners, hydraulic motors that drive mechanical systems, pumps that lubricate components within a running engine, and pumps in automa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C2/10
CPCF04C2/102F04C2/113F04C2250/20F04C2/084
Inventor 蔡希逾
Owner 蔡希逾
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