Patent EP0589478A2 successfully refreshed from Google Patents.
Patent US5880957A successfully refreshed from Google Patents.
US5880957A
Expired / Lapsed
US
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Method for programming hydraulic implement control system
Assignee: Caterpillar Inc
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Filing: 1996-12-03
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Granted: 1999-03-09
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Expires: 2016-12-03
Abstract
Abstract A method of operating a computer to produce control software for a hydraulic system is provided. The hydraulic system includes a pump, at least one valve, a motor and an electronic controller. The method includes the steps of defining a set of valve features of the electronic controller as a function of user input; and producing control software to operate the controller as specified by said set of valve features.
Inventors
- 👤 James A. Aardema
- 👤 David G. Blahnik
- 👤 Stephen J. Jackson
- 👤 Steven D. Monday
- 👤 Amy L. Moore-McKee
- 👤 David W. Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:49
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/042; G05B19/0426
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
75 words
A method of operating a computer to produce control software for a hydraulic system, the hydraulic system including a pump, at least one valve, a motor and an electronic controller, including the steps of: defining a set of valve features of the electronic controller as a function of user input, wherein said valve features include at least one map; and producing control software to operate the controller as specified by said set of valve features.
Claim 2
Independent Claim
75 words
A method of operating a computer to produce control software for a hydraulic system, the hydraulic system including a pump, at least one valve, a motor and an electronic controller, including the steps of: defining a set of valve features of the electronic controller as a function of user input, wherein said valve features include at least one map; and producing control software to operate the controller as specified by said set of valve features.
Claim 3
Dependent Claim
21 words
A method, as set forth in claim 1, wherein said valve features include a pressure map and a flow modulation map.
Claim 4
Dependent Claim
31 words
A method, as set forth in claim 1, wherein the control software producing step includes the step of combining the set of valve features with predefined software code and configuration data.
Claim 5
Dependent Claim
21 words
A method, as set forth in claim 1, including the step of executing the control software via a computer modeling program.
Claim 6
Dependent Claim
22 words
A method, as set forth in claim 1, including the step of controlling a hydraulic system test bed with the control software.
Claim 7
Dependent Claim
87 words
A hydraulic system builder, implemented on a computer for producing control software for a hydraulic system, the hydraulic system including a pump, at least one valve, a motor and an electronic controller, including: user input screens for defining a set of valve features of the electronic controller as a function of user input, wherein said valve features include at least one map; and means for receiving the set of valve features and producing control software to operate the controller as specified by said set of valve features.
Claim 8
Dependent Claim
87 words
A hydraulic system builder, implemented on a computer for producing control software for a hydraulic system, the hydraulic system including a pump, at least one valve, a motor and an electronic controller, including: user input screens for defining a set of valve features of the electronic controller as a function of user input, wherein said valve features include at least one map; and means for receiving the set of valve features and producing control software to operate the controller as specified by said set of valve features.
Claim 9
Dependent Claim
21 words
A method, as set forth in claim 6, wherein said valve features include a pressure map and a flow modulation map.
Claim 10
Dependent Claim
30 words
A method, as set forth in claim 6, wherein the control software producing means includes means for combining the set of valve features with predefined software code and configuration data.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-03-08 | 2002-09-07 | 2003-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-03-08 | 2006-09-07 | 2007-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-03-08 | 2010-09-07 | 2011-03-09 | $7700.00 | Window Closed / Lapsed |