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:
Oct. 17, 1989
Filed:
Jan. 11, 1988
Applicant:
Inventor:
Jean-Yves Thonnelier, Sassenage, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J / ;
U.S. Cl.
CPC ...
62 23 ; 62 39 ;
Abstract
As the apparatus consumes liquid nitrogen and discharges cold gaseous nitrogen under low pressure, an additional nitrogen stream is liquified under high pressure by heat exchange with the gaseous nitrogen discharged by the apparatus 1, the liquid thus obtained is expanded to the pressure of utilization and the expanded liquid is added to the principal supply of liquid nitrogen to the apparatus. Application in the supply of nitrogen to large cryogenic crushing apparatus.