Invention Grant
US4773820A Buffer device for the spiral housings of water turbines and like machines
失效
用于水轮机和类似机器的螺旋壳体的缓冲装置
- Patent Title: Buffer device for the spiral housings of water turbines and like machines
- Patent Title (中): 用于水轮机和类似机器的螺旋壳体的缓冲装置
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Application No.: US24131Application Date: 1987-03-10
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Publication No.: US4773820APublication Date: 1988-09-27
- Inventor: Bernard Lourdeaux , Patrick Huvet
- Applicant: Bernard Lourdeaux , Patrick Huvet
- Applicant Address: FRX Grenoble FRX Chambery Cedex
- Assignee: Societe Neyrpic,Service Nationale Electricite de France
- Current Assignee: Societe Neyrpic,Service Nationale Electricite de France
- Current Assignee Address: FRX Grenoble FRX Chambery Cedex
- Priority: FRX8603717 19860312
- Main IPC: F03B11/00
- IPC: F03B11/00 ; F03B11/06 ; F01D3/00
Abstract:
A buffer device for the spiral housings of water turbines wherein the housing includes an extension located along the axis of the inlet conduit into the housing and wherein a hydraulic cylinder and piston assembly is disposed between the extension and a fixed support with a fluid conduit extending between the housing and the cavity of the hydraulic cylinder and piston assembly.
Public/Granted literature
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