Title:
HYDRAULIC EXPERIMENTING DEVICE FOR LEARNING
Document Type and Number:
Japanese Patent JP2794164
Kind Code:
B2
Abstract:
PURPOSE: To enable a learner to three-dimensionally learn internal structures and to easily understand an operating condition by composing the housings and pipings of respective hydraulic apparatus constituting hydraulic circuits of transparent members.
CONSTITUTION: A housing 37 of a selector valve 7 is formed of a transparent acrylic resin to enable the learner to visually recognize the changing over ways of a valve plug 14 of this selector valve 7. A cylinder case 38 of a cylinder A 31 is also formed of the transparent acrylic resin to enable the learner to visually recognize the moving ways of a piston 9 in this cylinder case 38. A housing 36 of a sequence valve 6 is formed of the transparent acrylic resin to enable the learner to visually recognize the changing over ways of a spool 12 in this sequence valve 6. Further, a housing 35 of a relief valve 5 is formed of the transparent acrylic resin to enable the learner to visually recognize the moving of a balance piston 13.
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| WO/2016/030867 | LIQUID POWERED APPARATUS |
Inventors:
YAMAMOTO MASAMI
Application Number:
JP19776494A
Publication Date:
September 03, 1998
Filing Date:
July 29, 1994
Export Citation:
Assignee:
RIKEN KOKI KK
International Classes:
G09B23/12; G09B25/02; (IPC1-7): G09B25/02; G09B23/12
Domestic Patent References:
| JP6493782A | ||||
| JP52122777A |
Attorney, Agent or Firm:
Hisayuki Tarumoto