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:
Feb. 25, 2014
Filed:
Jun. 29, 2009
Krushna N. Patil, Stillwater, OK (US);
Raymond L. Huhnke, Stillwater, OK (US);
Danielle D. Bellmer, Stillwater, OK (US);
Krushna N. Patil, Stillwater, OK (US);
Raymond L. Huhnke, Stillwater, OK (US);
Danielle D. Bellmer, Stillwater, OK (US);
The Board of Regents for Oklahoma State University, Stillwater, OK (US);
Abstract
A downdraft gasifier is disclosed. The gasifier includes a biomass section that accepts and stirs raw biomass materials, a pyrolysis and tar cracking section having an inner cylinder for receiving biomass and an outer surrounding cylinder for gases from the biomass, and a char gasification section for receiving biomass and gases from the pyrolysis and tar cracking section. The char gasification section provides a grating and scraper for passing gases and ash and retaining biomass for char gasification on the grate.