Source: https://patents.google.com/patent/US7286966?oq=6%2C455%2C937
Timestamp: 2018-06-25 12:22:36
Document Index: 333012886

Matched Legal Cases: ['art 1', 'art 1', 'art 1', 'art 3', 'art 4', 'art 1', 'art 1']

US7286966B2 - Rotation planning apparatus and rotation planning system - Google Patents
US7286966B2
US7286966B2 US10400437 US40043703A US7286966B2 US 7286966 B2 US7286966 B2 US 7286966B2 US 10400437 US10400437 US 10400437 US 40043703 A US40043703 A US 40043703A US 7286966 B2 US7286966 B2 US 7286966B2
US10400437
US20030187530A1 (en )
Suppose that when a maintenance plan based on the operation of plant 1 is set up, the maintenance plan to be implemented at business site looks like plan 182. Under this state, numeral 190 in FIG. 17 denotes the operation plan for plant 2, established by operation planning means 161. Numerals 191 a, 194 a, and 197 a denote the maintenance periods required in operation plan 190. Here, the maintenance period 192 a as against period 191 a refers to the date of the last day in the usage period preceding the maintenance of part 1, and maintenance period 193 a refers to the date of the first day in the usage period following the maintenance of part 1. When the maintenance period required of the part is taken as “bbb”, therefore, any period “bbb” between periods 192 a and 193 a can be defined as maintenance period 191 a. Likewise, any period “bbb” between periods 195 a and 196 a can be set as maintenance period 194 a, and any period “bbb” between periods 198 a and 199 a can be set as maintenance period 197 a.
Extraction results on the maintenance periods that can be set for each maintenance operations in operating period 190 are shown as numeral 200. This means that any periods “bbb” between periods 192 a and 193 a, between periods 195 a and 196 a, and between periods 198 a and 199 a, can be set as the maintenance periods for part 1 of plant 2, part 3 of plant 2, and part 4 of plant 2, respectively. At this point of time, since, as shown by numeral 187 in FIG. 16, a maintenance plan based on the operation plan for plant 1 is set, it is determined whether the periods “bbb” required for maintenance can be provided between, among all periods denoted as 188 for operation 1 and 189 for operation 2, only those periods not set as a maintenance period which overlap the period from 192 a to 193 a, the period from 195 a to 196 a, and the period from 198 a to 199 a in 200 of FIG. 17.
In process 206, the ending date of the usage period preceding the maintenance operation “m”, and the starting date of the usage period following the maintenance operation “m” are entered. In the example of FIG. 17, the ending date of the usage period preceding the maintenance of, for example, part 1 at site 2 corresponds to the date of 192 a, and the starting date of the usage period following the maintenance of part 1 at site 2 corresponds to the date of 193 a.
In process 207, the maintenance plan of business site 121 that is already determined at the particular point of time is entered. In the foregoing example, maintenance plan 187 in FIG. 16 is entered.
US10400437 2002-04-02 2003-03-28 Rotation planning apparatus and rotation planning system Active 2025-02-08 US7286966B2 (en)
JP2002-099478 2002-04-02
JP2002099478 2002-04-02
JP2003060780A JP2004005461A (en) 2002-04-02 2003-03-07 Rotation planning method and rotation planning device
JP2003-060780 2003-03-07
US11849572 US20080172267A1 (en) 2002-04-02 2007-09-04 Rotation Planning Apparatus and Rotation Planning System
US20030187530A1 true US20030187530A1 (en) 2003-10-02
US7286966B2 true US7286966B2 (en) 2007-10-23
ID=28456361
US10400437 Active 2025-02-08 US7286966B2 (en) 2002-04-02 2003-03-28 Rotation planning apparatus and rotation planning system
US11849572 Abandoned US20080172267A1 (en) 2002-04-02 2007-09-04 Rotation Planning Apparatus and Rotation Planning System
US (2) US7286966B2 (en)
EP (2) EP1363217A3 (en)
JP (1) JP2004005461A (en)
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EP1363217A2 (en) 2003-11-19 application
US20030187530A1 (en) 2003-10-02 application
JP2004005461A (en) 2004-01-08 application
EP1783674A2 (en) 2007-05-09 application
EP1363217A3 (en) 2004-12-15 application
US20080172267A1 (en) 2008-07-17 application
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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HOTTA, MIYAKO;KOJIMA, YOSHITAKA;ARAKI, KENJI;AND OTHERS;REEL/FRAME:013924/0038;SIGNING DATES FROM 20030320 TO 20030325