Commercial kitchenware washers and related methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B08B-003/00
B08B-003/02
B08B-007/04
B08B-009/20
B08B-013/00
A47L-015/08
A47L-015/00
출원번호
US-0455920
(2012-04-25)
등록번호
US-9265400
(2016-02-23)
발명자
/ 주소
Bigott, James W.
출원인 / 주소
DUKE MANUFACTURING CO.
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
4인용 특허 :
107
초록▼
A method for monitoring tank water replacement of a kitchenware washing assembly generally includes automatically determining whether a counted number of wash cycles is equal to or exceeds a preset value. The method also includes automatically controlling one or more operations of the kitchenware wa
A method for monitoring tank water replacement of a kitchenware washing assembly generally includes automatically determining whether a counted number of wash cycles is equal to or exceeds a preset value. The method also includes automatically controlling one or more operations of the kitchenware washer assembly where the counted number of wash cycles is equal to or exceeds the preset value.
대표청구항▼
1. A method for monitoring tank water replacement of a kitchenware washing assembly to thereby automate the decision as to when tank water should be changed, the method comprising: automatically determining whether a counted number of wash cycles, involving water maintained within a tank used to hol
1. A method for monitoring tank water replacement of a kitchenware washing assembly to thereby automate the decision as to when tank water should be changed, the method comprising: automatically determining whether a counted number of wash cycles, involving water maintained within a tank used to hold kitchenware for washing in the kitchenware washing assembly, is equal to or exceeds a preset value; andautomatically controlling one or more operations of the kitchenware washing assembly when the counted number of wash cycles is equal to or exceeds the preset value;wherein automatically controlling one or more operations of the kitchenware washing assembly comprises automatically inhibiting any additional wash cycles until after tank water replacement. 2. The method of claim 1, wherein automatically controlling one or more operations of the kitchenware washing assembly comprises automatically deactivating one or more operations of the kitchenware washing assembly. 3. The method of claim 2, further comprising: monitoring temperature inside the tank of the kitchenware washing assembly for at least one of a temperature differential, a predetermined temperature, and/or a temperature increase by a predetermined amount over a predetermined time interval; andallowing reactivation of the deactivated one or more operations only after detection of the temperature differential, the predetermined temperature, and/or the temperature increase by the predetermined amount over the predetermined time interval. 4. The method of claim 2, further comprising requiring draining of fluid from the tank of the kitchenware washing assembly before allowing reactivation of the deactivated one or more operations. 5. The method of claim 2, further comprising: automatically monitoring for an indicator of drainage of fluid from the tank of the kitchenware washing assembly; andallowing reactivation of the deactivated one or more operations only after detection of said indicator of drainage of fluid. 6. The method of claim of claim 5, wherein allowing reactivation of the deactivated one or more operations comprises: allowing an operator to manually reactivate the deactivated one or more operations; and/orallowing a control system of the kitchenware washing assembly to automatically reactivate the deactivated one or more operations. 7. The method of claim 1, wherein automatically controlling one or more operations of the kitchenware washing assembly comprises: automatically deactivating at least one pump of the kitchenware washing assembly; and/orautomatically opening at least one drain of the kitchenware washing assembly to thereby allow fluid to drain from the tank of the kitchenware washing assembly; and/orautomatically deactivating at least one heater of the kitchenware washing assembly; and/orautomatically generating an alarm that indicates that tank water should be replaced. 8. The method of claim 1, wherein the method includes allowing an additional wash cycle where the counted number of wash cycles is less than the preset value. 9. The method of claim 1, further comprising monitoring for an indicator of drainage of fluid from the tank of the kitchenware washing assembly. 10. The method of claim 9, wherein monitoring for the indicator of drainage includes monitoring an inside of the tank of the kitchenware washing assembly for a temperature differential, a predetermined temperature, and/or a temperature increase by a predetermined amount over a predetermined time interval. 11. The method of claim 1, wherein the kitchenware washing assembly includes at least a first and a second wash cycle, and wherein counting includes counting the first wash cycle differently than the second washing cycle. 12. The method of claim 1, wherein: the preset value represents a maximum allowable number of wash cycles that can be performed before tank water should be replaced; and/orthe preset value is manually entered by an operator; and/orthe preset value is preprogrammed into a control system of the kitchenware washing assembly. 13. The method of claim 1, wherein the method includes setting the counted number of wash cycles to zero after tank water replacement, and adding one to the counted number for each wash cycle performed thereafter. 14. The method of claim 1, wherein the method includes setting the counted number of wash cycles to zero when a sensed temperature within the tank of the kitchenware washing assembly has increased by a predetermined amount over a predetermined time interval. 15. The method of claim 1, further comprising causing drainage of the tank water from the tank, when the counted number of wash cycles is equal to or exceeds the preset value. 16. The method of claim 15, wherein causing drainage of the tank water from the tank includes automatically controlling a drain of the kitchenware washing assembly to cause drainage of the tank water from the tank. 17. An automated method for monitoring tank water replacement of a kitchenware washing assembly, the method comprising: maintaining a count of the number of wash cycles performed since the most recent tank water replacement;comparing the count with a preset value representing the acceptable number of wash cycles that can be performed before the tank water should be replaced;shutting down one or more operations of the kitchenware washing assembly if the count is equal to or exceeds the preset value;determining whether the tank water is being drained or has been drained from a tank used to hold kitchenware for washing in the kitchenware washing assembly, including monitoring temperature inside the tank of the kitchenware washing assembly for at least one of a temperature differential, a predetermined temperature, and/or a temperature increase by a predetermined amount over a predetermined time interval;disallowing reactivation of the one or more operations at least until the determination that the tank water is being drained or has been drained from the tank; andallowing reactivation of the deactivated one or more operations after detection of the temperature differential, the predetermined temperature, and/or the temperature increase by the predetermined amount over the predetermined time interval. 18. A method for monitoring washing fluid replacement for a kitchenware washing assembly to thereby automate a decision as to when the washing fluid in the kitchenware washing assembly should be changed, the method comprising: automatically determining whether a counted number of wash cycles and/or an elapsed time since a replacement of a washing fluid is equal to or exceeds a preset value;automatically deactivating one or more operations of the kitchenware washing assembly, when the counted number of wash cycles and/or the elapsed time is equal to or exceeds the preset value;monitoring temperature of the washing fluid in the kitchenware washing assembly for at least one of a temperature differential, a predetermined temperature, and/or a temperature increase by a predetermined amount over a predetermined time interval; andallowing reactivation of the deactivated one or more operations only after detection of the temperature differential, the predetermined temperature, and/or the temperature increase by the predetermined amount over the predetermined time interval. 19. A method for monitoring washing fluid replacement for a kitchenware washing assembly to thereby automate a decision as to when the washing fluid in the kitchenware washing assembly should be changed, the method comprising: automatically determining whether an elapsed time since a replacement of a washing fluid in the kitchenware washing assembly is equal to or exceeds a preset value;automatically inhibiting any additional wash cycles until after replacement of the washing fluid, when the elapsed time is equal to or exceeds the preset value; andcausing drainage of the washing fluid from a tank of the kitchenware washing assembly used to hold kitchenware for washing, when the elapsed time is equal to or exceeds the preset value, so that the washing fluid can be replaced. 20. An automated method for monitoring washing fluid replacement for a kitchenware washing assembly to thereby automate a decision as to when the washing fluid in the kitchenware washing assembly should be changed, the method comprising: tracking a counted number of wash cycles and/or a time that has elapsed since a replacement of a washing fluid in the kitchenware washing assembly;comparing the counted number of wash cycles and/or the elapsed time to a preset value;controlling one or more operations of the kitchenware washing assembly, when the counted number of wash cycles and/or the elapsed time is equal to or exceeds the preset value; andsetting the counted number of wash cycles and/or the time to zero when a sensed temperature of the washing fluid in the kitchenware washing assembly has increased by a predetermined amount over a predetermined time interval. 21. An automated method relating to operation of a kitchenware washing assembly including a tank having an inside for holding fluid for washing kitchenware, the method comprising: tracking a time that has elapsed since a replacement of the fluid in the tank used for washing the kitchenware;comparing the elapsed time to a preset value;monitoring for an indicator of drainage of the fluid from the tank used for washing the kitchenware; andif the elapsed time is equal to or exceeds the preset value, inhibiting a further washing cycle of the assembly at least until after the indicator of drainage has been detected. 22. A kitchenware washing assembly comprising a tank having an inside for holding kitchenware and fluid for washing the kitchenware, and a control system, the control system configured to: track a time that has elapsed since the most recent tank water replacement, to determine whether the elapsed time is equal to or exceeds a preset value;monitor for an indicator of drainage from the tank of the fluid used for washing the kitchenware; andif the elapsed time is equal to or exceeds the preset value, inhibit a further washing cycle of the assembly at least until after the indicator of drainage has been detected. 23. The kitchenware washing assembly of claim 22, wherein the control system is configured to automatically deactivate at least one pump of the kitchenware washing assembly when the elapsed time is equal to the preset value.
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