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:
Sep. 29, 2015
Filed:
Aug. 05, 2010
Applicants:
Colman Carroll, Mannheim, DE;
Bernard Hendrik Reesink, Winterswijk-Kotten, NL;
Georg Degen, Lorsch, DE;
Inventors:
Colman Carroll, Mannheim, DE;
Bernard Hendrik Reesink, Winterswijk-Kotten, NL;
Georg Degen, Lorsch, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
F25B 21/00 (2006.01); H01F 1/01 (2006.01);
U.S. Cl.
CPC ...
H01F 1/015 (2013.01); F25B 21/00 (2013.01); F25B 2321/002 (2013.01); Y02B 30/66 (2013.01); Y10T 29/4935 (2015.01);
Abstract
Provided is a packed heat exchanger bed composed of thermomagnetic material particles having a mean particle diameter of 50 μm to 1 mm. The packed bed has porosity of 30-45%. A thermomagnetic material is a metal containing material such as (AB)CDE, La(FeAl)Hor La(FSi)H, La(FeAlCo)or La(FeSiCo), LaMnFeGe, Heusler alloys, Gd(SiGe), FeP-based compounds, manganites of the perovskite type, Tb(SiGe), XTiGe, MnZSb, or MnZSb, wherein A-E, P, and Z represent various metal atoms.