Title:
自動チューニング用の電気油圧弁
Document Type and Number:
Japanese Patent JP2011530099
Kind Code:
A
Abstract:
A flow control valve includes a housing that includes a fluid inlet, a fluid outlet, a first work port and a second work port. The housing defines a spool bore and a pilot spool bore. A main stage spool is disposed in the spool bore. A pilot stage spool is disposed in the pilot spool bore. The pilot stage spool is in selective fluid communication with the main stage spool. A microprocessor includes a controller having a restricted structured controller and a compensation controller. Outputs of the restricted structured controller and the compensation controller are summed to form an electrical signal that is communicated to the pilot stage spool.
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Inventors:
Yuan, King Hui
Shotler, chris
Gerov Wade
Singhania, Hong
Shotler, chris
Gerov Wade
Singhania, Hong
Application Number:
JP2011513697A
Publication Date:
December 15, 2011
Filing Date:
June 11, 2009
Export Citation:
Assignee:
EATON CORPORATION
International Classes:
G05D16/10; F15B9/09; F16K31/06
Domestic Patent References:
| JPS5639311A | 1981-04-15 | |||
| JPS6415508A | 1989-01-19 |
Attorney, Agent or Firm:
Calyx
Miyazaki Yoshio
Kaoru Onozuka
Akio Tagami
High Masahiro
Miyazaki Yoshio
Kaoru Onozuka
Akio Tagami
High Masahiro