Class 415/23 - Responsive to working fluid discharge angle from blade or vane

Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Apparatus in which the condition sensed is the angle at
No. of patents: 3
Last issue date: 11/04/1997

Number	Title	Issue Date
5683223	Surge detection device and turbomachinery therewith A turbomachine having variable-angle diffuser vanes operates by regulating the angle of the diffuser vanes on the basis of the sensors disposed on the pump body or pipes of a surge detection device. The onset of surge can be forecast by measuring the fluc...	11/04/1997
5586857	Rotating stall prevention system for compressor A compressor has inlet guide vanes, rotor blades and stator blades. To prevent rotating stall, baffle vanes 5 capable of having their angles varied are installed upstream of the inlet guide vanes, actuators to vary the angles of baffle vanes are coupled t...	12/24/1996
5561830	Method of producing a sintered carbonitride alloy for fine milling According to the invention there now is provided a method of producing a sintered titanium based carbonitride alloy with 325 weight-% binder phase with extremely good properties at extremely fine machining with high cutting speeds and low feeds. The metho...	10/01/1996

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