Method of controlling operation of multistage hydraulic machines

Rotary kinetic fluid motors or pumps – Method of operation

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

F01D 1700, F01D 2100

Patent

active

042550785

ABSTRACT:
In a method of controlling guide vanes of a multistage hydraulic machine including a plurality of stages interconnected by return passages of the type wherein under an abnormal condition which occurs when the operation of a water wheel or a pump is stopped or when the load of the water wheel is interrupted or the input of the pump is interrupted due to a fault of the machine, the guide vanes are closed such that the degree of opening of the guide vanes of a higher pressure stage is maintained to be always equal to or smaller than the degree of opening of the guide vanes of a lower pressure stage, the guide vanes of the lower pressure stage are not completely closed and maintains a predetermined small degree of opening when the guide vanes of the higher pressure stage are completely closed.

REFERENCES:
patent: 3275293 (1966-09-01), Hosogai et al.
patent: 3309057 (1967-03-01), Tonooka
patent: 3339567 (1967-09-01), Fukasu et al.
patent: 3403888 (1968-10-01), Hartland
patent: 3886373 (1975-05-01), Okada
patent: 4137004 (1979-01-01), Kuwabara et al.
patent: 4168935 (1979-09-01), Ueda et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method of controlling operation of multistage hydraulic machines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of controlling operation of multistage hydraulic machines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of controlling operation of multistage hydraulic machines will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1291899

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.