The New Jersey Institute of Technology's
Electronic Theses & Dissertations Project

Title:	Design of a gear driven anti-twister mechanism for a seal-less blood processor
Author:	Dastane, Ajit Nachiket
View Online:	njit-etd1989-024 ([ix], 71 pages ~ 2.4 MB pdf)
Department:	Department of Mechanical and Industrial Engineering
Degree:	Master of Science
Program:	Mechanical Engineering
Document Type:	Thesis
Advisory Committee:	Sofer, Samir S. (Committee chair) Herman, Harry (Committee member) Sodhi, R. S. (Committee member)
Date:	1989
Keywords:	Cell separation. Blood. Gearing. Separation (Technology)
Availability:	Unrestricted
Abstract:	This thesis presents the design of a gear driven anti- twister mechanism for a blood cell separator. The anti- twister mechanism allows for continuous feed and discharge lines that are rigidly attached to the rotating centrifuge head, thus eliminating the need of rotating seals. It is anticipated that the device using a gear driven anti-twister mechanism will have smoother power transmission and closer rpm tolerances. In addition, a procedure for the dynamic analysis of the existing device, which uses a belt-driven anti-twister mechanism, is developed. The experimental values obtained from the device are compared with the theoretical values obtained by analytical methods. This comparison demonstrates that the procedure employed can be used in prognosis of natural frequencies for devices with similar configuration. Such a dynamic analysis is important to ensure that the separator designed will not have any natural frequencies near to the operating frequencies.