The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 25, 2003

Filed:

May. 19, 2000
Applicant:
Inventor:

Yoshiaki Akimoto, Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 3/20 ;
U.S. Cl.
CPC ...
G01L 3/20 ;
Abstract

Pairs of sensors are disposed vertically, each pair of sensors being disposed such that they hold a piston laterally, and those pistons are provided in such a manner as to extend across a water jacket provided so as to surround a cylinder liner defining a cylinder chamber receiving therein the piston. Since sensor accommodating cases extend across the water jacket, the accommodating case can preferably be cooled by cooling water, and the sensors can in turn be cooled via the accommodating cases, whereby the effect of heat from combustion chambers on the sensors can be reduced, thereby making it possible to improve the detection accuracy of the sensors.


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