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.
Patent No.:
Date of Patent:
May. 13, 1980
Filed:
May. 03, 1978
Applicant:
Inventors:
Kenichi Kawashima, Hitachi, JP;
Yosiaki Arima, Taga, JP;
Yoshihide Endo, Katsuta, JP;
Atsushi Suginuma, Mito, JP;
Akira Uenishi, Mito, JP;
Seigo Miyamoto, Takahagi, JP;
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62511 ; 62527 ; 138 42 ; 165174 ;
Abstract
A multi-tube evaporator for a cooler used in an automobile is provided with a columnar member tightly inserted in the evaporating tube at its inlet. A spiral groove is engraved on the surface of the columnar member. The spiral groove serves as a capillary through which refrigerant is expanded.