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Sterilizing apparatus and integrated sterilizer control
| Details |
Inventors: Bainbridge, Richard C.; Krahe, Ronald P.;
Assignee: American Sterilizer Company (Erie, PA)
Primary Examiner: Bashore; S. Leon
Assistant Examiner: Goldman; Michael
Attorney, Agent or Firm: Shanley, O'Neil and Baker
Sterilizing apparatus and control arrangement providing for selective operation of a plurality of differing types of sterilizing units including sterilizers capable of carrying out a plurality of differing steam and/or gas sterilizing cycles are disclosed. An electronic microcomputer controller is provided on a plurality of circuit boards, at least one of which is an integrated complete controller for at least one type of sterilizer; expander circuit boards extend control to remaining differing types of sterilizers. Also, provision is made for automatically identifying each differing type of sterilizer upon interconnecting an integrated control system with a selected sterilizer. |
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DETAILED DESCRIPTION We claim: 1.
Sterilizing apparatus having a microcomputer control arrangement providing for selective operation of a sterilizer selected from a plurality of differing types, each differing type of sterilizer carrying out a different sterilization cycle or different combination of sterilization cycles comprising, in combination a sterilizing chamber, conduit means connected to the chamber for delivering fluid to and from chamber to selectively establish fluid pressure conditions within the chamber, valve means for controlling fluid flow in the conduit means, such valve means being electrically operable, sensor means operatively associated with the chamber to be responsive to at least one chamber condition, electronic microcomputer controller means for controlling opening and closing of the valve means to selectively carry out a sterilizing cycle, the electronic microcomputer controller means comprising circuit board means, mounting means for mounting the circuit board means on the sterilizer, and connector means electrically interconnecting the electronic microcomputer controller means to the sensing means and the electrically operable valve means, the circuit board means having electronic components mounted on a plurality of individual circuit boards capable of operating such plurality of differing types of sterilizers with at least one circuit board mounting electronic components utilized on all types of sterilizers capable of being operated and being a complete microcomputer controller for at least one type of sterilizer 2.
The apparatus of claim 1 wherein the circuit board which is a complete microcomputer controller for at least one type of sterilizer includes a microcomputer having memory means, low level input/output means, D.
C.
drive means, and A.
C.
drive means, and wherein the remaining circuit board means includes additional memory means, additional input/output means, additional D.
C.
drive means and additional A.
C.
drive means.
3.
The apparatus of claim 1 in which the plurality of sterilizing cycles comprises at lease five separate sterilizing cycles including steam and biocidal gas sterilizing cycles
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Molecular Biology 
