Compressor cylinder block and cylinder head distortion prevention

US9074591B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9074591-B2
Application numberUS-201113233063-A
CountryUS
Kind codeB2
Filing dateSep 15, 2011
Priority dateOct 14, 2010
Publication dateJul 7, 2015
Grant dateJul 7, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

There is provided a compressor including a hermetic container storing therein a lubricant, an electric element, and a compression element driven by the electric element, the compression element including a crankshaft, a bearing portion, a cylinder block, a piston, and a joining portion, wherein a cylinder head is tightened and fixed together with a valve component by a bolt to an opening surface side of a compression chamber formed by a cylinder bore and the piston, and a screw hole portion formed in the opening surface side, for fixing the bolt includes a counterbore extending to the vicinity of a boundary between the cylindrical portion and the tapered portion.

First claim

Opening claim text (preview).

What is claimed is: 1. A compressor comprising: a hermetic container storing therein a lubricant, an electric element including a stator and a rotor, and a compression element driven by the electric element, the compression element including a crankshaft including a main shaft portion having the rotor fixed thereto, and an eccentric shaft portion, a bearing portion pivotally supporting the main shaft portion, a cylinder block having a cylinder bore formed therein, th…

Assignees

Inventors

Classifications

  • F04B39/125Primary

    Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

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Frequently asked questions

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What does patent US9074591B2 cover?
There is provided a compressor including a hermetic container storing therein a lubricant, an electric element, and a compression element driven by the electric element, the compression element including a crankshaft, a bearing portion, a cylinder block, a piston, and a joining portion, wherein a cylinder head is tightened and fixed together with a valve component by a bolt to an opening surfac…
Who is the assignee on this patent?
Kita Ichiro, Panasonic Ip Man Co Ltd
What technology area does this patent fall under?
Primary CPC classification F04B39/125. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Jul 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).