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:
May. 16, 1989
Filed:
May. 21, 1986
Applicant:
Inventor:
Frank J Borzenski, Branford, CT (US);
Assignee:
Farrel Corporation, Ansonia, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
366 76 ; 366 97 ;
Abstract
A batch mixer has position monitoring means for the ram operably coupled to the ram moving motor to move the ram within a range of positions adjacent the ram's 'down' position to improve mixing by allowing limited upward movement of the ram as a result of internal pressures inside the mixer. Excessive ram return movement is prevented however, and the limited ram movement is achieved by feedback control influence on the pressure to the fluid actuator that operates the ram. Also disclosed is a feed-back control for batch size to assure that optimum use is achieved for the mixer during each batch mixing interval.