VARIABLE PITCH FAN ASSEMBLY WITH BLADE PITCH INDICATION

VARIABLE PITCH FAN ASSEMBLY WITH BLADE PITCH INDICATION

A variable pitch fan assembly comprises a fan configured to rotate about a fan rotation axis and comprising blades with a pitch that is variable, a piston connected to the fan and configured to move axially relative to the fan rotation axis to change the pitch of the blades, a rotary crank arm yield...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MILLER, SHAUN J
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Beschreibung
Zusammenfassung:A variable pitch fan assembly comprises a fan configured to rotate about a fan rotation axis and comprising blades with a pitch that is variable, a piston connected to the fan and configured to move axially relative to the fan rotation axis to change the pitch of the blades, a rotary crank arm yieldably biased toward the piston, and a motion transmitter positioned in communication with the piston and the crank arm to transmit motion axially therebetween relative to the fan rotation axis, and a sensor positioned to detect an angular position of the crank arm, the angular position indicative of the pitch of the blades.