CTIS control system and method for sensing and indication of inadequate rate of change of tire inflation pressurization
First Claim
Patent Images
1. A method for controlling a CTIS including sensing and reacting to conditions indicative of system faults causing inadequate tire inflation pressurization responses to commanded changes in selected tire inflation pressurization settings, said CTIS of the type having a plurality of operator selectable tire pressurization settings which are automatically achieved and maintained by the system, said method characterized by:
- sensing operator selection of a desired pressure setting to be achieved and maintained by the system;
determining the maximum acceptable period for achieving the selected pressure setting from the current pressure setting;
beginning the appropriate sequence of inflation/deflation operations to achieve the selected pressure, said appropriate inflation/deflation operations comprising repeated cycles of pressure measurement and tire inflation/deflation, said maximum period measured as a number of cycles of pressure measurement and tire inflation/deflation; and
if the maximum acceptable period expires prior to achieving the selected pressure setting, discontinuing pressure measurement and adjustment operations, declaring a system fault and notifying the operator of said fault.
1 Assignment
0 Petitions
Accused Products
Abstract
A control system and method for sensing and reacting conditions indicative of unacceptable slow CTIS response to selected pressure setting changes.
44 Citations
12 Claims
-
1. A method for controlling a CTIS including sensing and reacting to conditions indicative of system faults causing inadequate tire inflation pressurization responses to commanded changes in selected tire inflation pressurization settings, said CTIS of the type having a plurality of operator selectable tire pressurization settings which are automatically achieved and maintained by the system, said method characterized by:
-
sensing operator selection of a desired pressure setting to be achieved and maintained by the system; determining the maximum acceptable period for achieving the selected pressure setting from the current pressure setting; beginning the appropriate sequence of inflation/deflation operations to achieve the selected pressure, said appropriate inflation/deflation operations comprising repeated cycles of pressure measurement and tire inflation/deflation, said maximum period measured as a number of cycles of pressure measurement and tire inflation/deflation; and if the maximum acceptable period expires prior to achieving the selected pressure setting, discontinuing pressure measurement and adjustment operations, declaring a system fault and notifying the operator of said fault. - View Dependent Claims (3, 4, 5, 6)
-
-
2. A method for controlling a CTIS including sensing and reacting to conditions indicative of system faults causing inadaquate tire inflation pressurization responses to commanded changes in selected tire inflation pressurization settings, said CTIS of the type having a plurality of operator selectable tire pressurization settings which are automatically achieved and maintained by the system, said method characterized by:
-
sensing operator selection of a desired pressure setting to be achieved and maintained by the system; determining the maximum acceptable period for achieving the selected pressure setting from the current pressure setting; beginning the appropriate sequence of inflation/deflation operations to achieve the selected pressure, said appropriate inflation/deflation operations comprising repeated cycles of pressure measurement and then tire inflation/deflation, for deflation operations, said maximum period measured as an elapsed time and for inflation operations, said maximum period measured as completion of a predetermined number of said cycles. if the maximum acceptable period expires prior to achieving the selected pressure setting discontinuing pressure measurement and adjustment operations, declaring a system fault and notifying the operation of said fault.
-
-
7. A control system for controlling a CTIS including sensing and reacting to conditions indicative of system faults causing sluggish system responses to commanded changes in selected tire inflation pressurization settings, said CTIS of the type having a plurality of operator selectable tire pressurization settings which are automatically achieved and maintained by the system, said system characterized by:
-
means for sensing operator selection of a desired pressure setting to be achieved and maintained by the system; means for determining the maximum acceptable period for achieving the selected pressure setting from the current pressure setting; control means for beginning the appropriate sequence of inflation/deflation operations to achieve the selected pressure wherein said appropriate inflation/deflation operations comprise repeated cycles of pressure measurement and tire inflation/deflation and said maximum period measured as a number of cycles of pressure measurement and tire inflation/deflation, and if the maximum acceptable period expires prior to achieving the selected pressure setting, discontinuing pressure measurement and adjustment operations and declaring a system fault and notifying the operator of said fault. - View Dependent Claims (9, 10, 11, 12)
-
-
8. A control system for controlling a CTIS including sensing and reacting to conditions indicative of system faults causing sluggish system responses to commanded changes in selected tire inflation pressurization settings, said CTIS of the type having a plurality of operation selectable tire pressurization settings which are automatically achieved and maintained by system, said system characterized by:
-
means for sensing operator selection of a desired pressure setting to be achieved and maintained by the system; means for determining the maximum acceptable period for achieving the selected pressure setting from the current pressure setting; control means for beginning the appropriate sequence of inflation/deflation operations to achieve the selected pressure wherein said appropriate inflation/deflation operations comprise repeated cycles of pressure measurement and then tire inflation/deflation, for deflation operations, said maximum period measured as an elapsed time and for inflation operations, said maximum period measured as completion of a predetermined number of said cycles and in the maximum acceptable period expires prior to achieving the selected pressure setting, discontinuing pressure measurement and adjustment operations and declaring a system fault and notifying the operator of said fault.
-
Specification