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:
Jun. 13, 2006
Filed:
Oct. 28, 2002
Applicants:
Kevin Flynn, Novato, CA (US);
Mikhail Boiarski, Macungie, PA (US);
Oleg Podtchereniaev, Novato, CA (US);
Inventors:
Kevin Flynn, Novato, CA (US);
Mikhail Boiarski, Macungie, PA (US);
Oleg Podtchereniaev, Novato, CA (US);
Assignee:
Helix Technology Corporation, Mansfield, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
F25B 41/00 (2006.01); F25B 49/00 (2006.01); F25J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Refrigerant freezeout is prevented by the use of a controlled bypass flow that causes a warming of the lowest temperature refrigerant in a refrigeration system that achieves very low temperatures by using a mixture of refrigerants comprising at least two refrigerants with boiling points that differ by at least 50° C. This control capability enables reliable operation of the very low temperature system.