CENTRIFUGAL FAN FOR THRESHING UNIT

FIELD: agriculture and forestry. SUBSTANCE: centrifugal fan has housing with suction windows and pressure branch pipe. Blade-type rotor mounted in housing has outer diameter smaller than width of pressure branch pipe. Each blade of fan rotor is made in the form of shevron and has uniform height. She...

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Bibliographic Details
Main Authors GLAVATSKIJ G.D, SHMAKOV V.A
Format Patent
LanguageEnglish
Russian
Published 27.11.2003
Edition7
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
BLASTING
DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
FISHING
FORESTRY
HAY OR STRAW PRESSES
HEATING
HUMAN NECESSITIES
HUNTING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PROCESSING OF HARVESTED PRODUCE
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
TRAPPING
WEAPONS
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Summary:FIELD: agriculture and forestry. SUBSTANCE: centrifugal fan has housing with suction windows and pressure branch pipe. Blade-type rotor mounted in housing has outer diameter smaller than width of pressure branch pipe. Each blade of fan rotor is made in the form of shevron and has uniform height. Shevron angle apex is oriented in direction opposite to rotor rotation direction. During operation of rotor, parts of shevron blades oriented at an angle to one another supply additional air flow into mid portion of housing cavity for effective equalizing of air pressure at branch pipe outlet. EFFECT: reduced sizes and weight of fan and wider operational capabilities. 2 dwg
Bibliography:Application Number: RU20020107629