US PATENT SUBCLASS 415 / 198.1
.~ Plural rigidly related blade sets

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

182.1  DF  WORKING FLUID PASSAGE OR DISTRIBUTING MEANS ASSOCIATED WITH RUNNER (E.G., CASING, ETC.) {24}
198.1.~ Plural rigidly related blade sets {2}
199.1  DF  .~.~> Including serial radial flow blade sets and intermediate stationary flow diverter(s) {1}
199.4  DF  .~.~> Including an axial-flow blade set {2}

DEFINITION

Classification: 415/198.1

(under subclass 182.1) Apparatus comprising a plurality of blade* sets fixedly or unitarily associated with each other for contacting the working fluid*.

(1) Note. The blade* sets may be (a) on a plurality of runners*, i.e., a set on each of at least two runners*, or (b) on opposite sides of a shroud plate to act on the fluid in series or in parallel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

55.5+, for a regenerative turbine pump* having plural, rigidly related blade* sets.

57.2, for a device having plural, independent, serially acting means for the reentry of working fluid* to a first blade* set and further having an additional blade* set in the reentry path which may be rigidly related to the first blade * set.

58.1, for a device having means for the reentry of working fluid* to a first blade* set and further having an additional blade* set in the reentry path which may be rigidly related to the first blade* set.

59.1, for a device having plural blade* sets and including means for the reentry of working fluid* to one of the blade* sets. 62+, for plural blade* sets in an arrangement of plural runners* supported for relative movement.

64, for a runner* having plural blade* sets on a common radial plane.

83, for a device having a runner* with annular blade* rows or fluid channels spaced on a common radial plane.

93+, appropriate subclasses indented thereunder, especially subclasses 93 and 101+, for an arrangement in which end thrust is balanced by working fluid* flowing in at least two axial directions and comprising plural rigidly related blade* sets.

106, for a device comprising a blade* on each side of a common support wall or shroud plate in a runner* and a port transferring fluid from one side of the wall or plate to the other.

143, for plural runners* with diverse or different flow paths through the runners*.

179, for a device comprising plural serial stages of runner* blades* and a heat exchange apparatus intermediate two stages.