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:
Nov. 03, 2026
Filed:
Feb. 06, 2025
Illinois Tool Works Inc., Glenview, IL (US);
Harald Disch, Elzach, DE;
Martin Schrempp, Biberach, DE;
ILLINOIS TOOL WORKS INC., Glenview, IL (US);
Abstract
A dishwasher includes a heat recovery apparatus to recover at least a portion of the thermal energy of discharged exhaust air as utility heat and transfer it to a treatment liquid to be sprayed in the dishwasher. The heat recovery apparatus includes a primary circulation system having a heating pump assembly and a first secondary circulation system with a first heat exchanger unit configured such that at least a portion of the recovered energy is transferred to a carrier medium circulating in the first secondary circulation system. The first secondary circulation system includes a second heat exchanger unit configured such that at least a portion of the energy transferred to the carrier medium is transferred as utility heat for warming the treatment fluid to a refrigerant of the heating pump assembly of the primary circulation system, the drying air circulating in the primary circulation system.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile