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Pump device

a technology of pump and metal cutting, which is applied in the direction of pumps, mechanical devices, liquid fuel engines, etc., can solve the problem of relatively high cost of metal cutting production, and achieve the effect of cost-effectiveness

Inactive Publication Date: 2018-03-15
HANON SYST EFP DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is about a pump that can be made at a low cost and has an optimized fluid flow guide. The pump has an insertion part that allows for the easy and cost-effective production of a suction passage. The insertion part helps prevent foaming and cavitation in the pump, which could otherwise damage it. The pump also has seals that prevent leakage and allow for the cost-effective production of complex geometries.

Problems solved by technology

The production by metal cutting is relatively cost intensive, however.

Method used

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Embodiment Construction

[0033]Shown in FIG. 1 is a pump device 1, as known in the prior art. The pump insert itself is not shown for a better overview and is provided for installation in section A. Located in a receiving casing, for example a transmission, is a receiving part 2 in which a suction passage 3 is provided supplying a fluid, wherein the suction passage 3 is formed by metal cutting. The forming by metal cutting and therefore the very cleanly designed and machined inner surface I of the suction passage 3 enables an optimization of the fluid flow into a pump chamber of the pump insert, as a result of which sucking in of air is reduced or prevented. An injector 5 is arranged in the suction passage 3.

[0034]FIG. 2 shows a pump device 1 according to the invention in a casing, which provides a receiving part 2, formed by a sub-assembly, wherein the pump device is again shown without the pump insert. The suction passage 3 is cast in the receiving part 2 along with it. The casting process of such a casin...

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PUM

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Abstract

Pump device comprising a pump insert, without a dedicated housing, and a receiving part, wherein the pump insert is inserted in the receiving part, wherein in the receiving part the suction passage for the pump insert is designed for sucking in a fluid, wherein in the suction passage provision is made for an insertion part for optimizing fluid guiding.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a National Stage of International Application No. PCT / EP2016 / 058010, filed Apr. 12, 2016, which claims priority to DE102015206684.3 filed Apr. 14, 2015. The entire disclosures of each of the above applications are incorporated herein by reference.FIELD OF THE INVENTION[0002]Pump device comprising a pump insert without a dedicated housing, wherein the pump insert is inserted into a receiving part.BACKGROUND OF THE INVENTION[0003]This section provides information related to the present disclosure which is not necessarily prior art.[0004]A pump insert without a dedicated housing is known from DE102011055020A1. Such pump inserts, also called cartridge pumps, are for example inserted into transmission casings. The insert is described but the suction passage itself is not shown.[0005]A pump, which has an insertion part in the inlet for sound attenuation, is known from DE 102013205622 A1.[0006]A cast hydraulic unit, which has...

Claims

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Application Information

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IPC IPC(8): F04C15/06F04D29/42F04B53/16
CPCF04C15/06F04D29/4293F04B53/16F04C2/344F04C2240/806F04C2250/101F05D2250/51F04C2/08
Inventor HOLTMANN, LUDGERZINKE, BORIS
Owner HANON SYST EFP DEUT GMBH