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:
Mar. 11, 1997
Filed:
Jun. 20, 1995
Applicant:
Inventors:
Bertel Karlstedt, Parainen, FI;
Henrik Pettersson, Myn am aki, FI;
Assignee:
Valmet Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34 60 ; 34643 ;
Abstract
An arrangement for lowering the noise level in connection with a cooling layer in a pulp dryer having a heat-insulated bottom wall and top wall constituting a sound-attenuating construction and a wall at the inlet side of the cooling layer also constituting a sound-attenuating construction. At the outlet side of the air flow from the cooling layer in the pulp dryer, sound-attenuation baffles are arranged preferably perpendicular to or inclined in relation to the direction of the air flow and which are placed at a distance from one another.