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Turbocharger and engine cylinder head assembly

A technology for engine cylinders and turbochargers, which is applied in engine components, machines/engines, combustion engines, etc., and can solve problems such as machining difficulties

Active Publication Date: 2014-03-26
盖瑞特动力科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such machining is difficult because the diffuser is located in the casting of the compressor housing

Method used

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  • Turbocharger and engine cylinder head assembly
  • Turbocharger and engine cylinder head assembly
  • Turbocharger and engine cylinder head assembly

Examples

Experimental program
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Embodiment Construction

[0022] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all, embodiments of the invention are shown. Indeed, these inventions may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this invention will satisfy applicable legal requirements. Throughout the text, the same numerals represent the same elements.

[0023] Figure 1-3 A turbocharger and engine cylinder head assembly 10 is depicted in accordance with one embodiment of the present invention. First refer to figure 1 , the assembly 10 includes an engine cylinder head 20 (shown schematically only) on which a turbocharger 30 is mounted. The engine cylinder head 20 includes a casting that is configured to be placed atop the engine block, above the engine cylinders. The cover 20 typically houses the components of the cylinder's int...

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PUM

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Abstract

A turbocharger and engine cylinder head assembly includes a center housing rotating assembly (CHRA) and an engine cylinder head defining a receptacle for receiving the CHRA, the engine cylinder head defining a compressor volute (46). A diffuser is defined for receiving and diffusing the compressed air from the compressor wheel and supplying the compressed air to the compressor volute. The assembly includes a cap formed separately from the engine cylinder head and removably secured to the engine cylinder head, the cap defining one wall of the diffuser. An opposite wall of the diffuser is defined either by the engine cylinder head or a portion of the center housing, depending on whether the CHRA slides into the receptacle compressor-wheel-first or turbine-wheel-first. The compressor volute can be located on a turbine side of the diffuser.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application is a continuation-in-part of US Patent Application No. 13 / 425,891, filed March 21, 2012, and US Patent Application No. 13 / 425,943, filed March 21, 2012, both of which are currently are pending, the entire disclosures of which are incorporated herein by reference. technical field [0003] The present disclosure relates to exhaust-driven turbochargers. Background technique [0004] In a typical turbocharger, there is a compressor housing, a center housing, and a turbine housing. The compressor housing defines a volute that collects pressurized air from the compressor wheel for forward delivery to the intake duct of the internal combustion engine. The main function of the center housing is to house the bearings for the shaft that connects the compressor wheel to the turbine wheel. The turbine housing defines a volute that receives exhaust gas from the engine and directs it into the turbine wheel, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/24F02B39/00F01D25/24
CPCF01N13/105F02B37/02F02B67/10F02C6/12F02F1/243F05D2220/40F05D2230/53Y02T10/12F02B37/00F02F1/24F02F1/42
Inventor A·隆巴尔J·库尔茨曼Q·罗伯茨M·马克斯
Owner 盖瑞特动力科技(上海)有限公司