PREVENTION OF HOARFROST FORMATION IN OPEN CULTURE AND DEVICE OF PREVENTING FORMATION OF FOARFROST

PURPOSE:To prevent hoarfrost formation in open culture by a simple device by arranging a burner in cultivated land of crops, forming a pilot flame and producing air convection action based on gas combustion in reduction temperature of the open air. CONSTITUTION:A temperature sensor 8 consists of a t...

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Hauptverfasser:	NAKA MASAMITSU, SANO SETSUO, KAWATO TAMOTSU, KUROGOE OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED FISHING FORESTRY HORTICULTURE HUMAN NECESSITIES HUNTING TRAPPING WATERING
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creator	NAKA MASAMITSU SANO SETSUO KAWATO TAMOTSU KUROGOE OSAMU
description	PURPOSE:To prevent hoarfrost formation in open culture by a simple device by arranging a burner in cultivated land of crops, forming a pilot flame and producing air convection action based on gas combustion in reduction temperature of the open air. CONSTITUTION:A temperature sensor 8 consists of a thermister, a resistance thermometer bulb, etc. When temperature of the open air is dropped
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CONSTITUTION:A temperature sensor 8 consists of a thermister, a resistance thermometer bulb, etc. When temperature of the open air is dropped <=a preset temperature (e.g. 4 deg.C), the temperature sensor detects the reduction in temperature, operates a temperature actuator and closes a feed circuit 10 of a solenoid valve 6. The solenoid valve 6 maintains wholly closed attitude when the temperature of the open air is higher than a set temperature and the solenoid valve is made into a wholly closed attitude when the temperature of the open air is dropped to <= the set temperature. A throttle valve 7 can make an amount of gas fed from a pilot gas passageway 5 maintain whole burners 1 in a stable pilot flame. 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CONSTITUTION:A temperature sensor 8 consists of a thermister, a resistance thermometer bulb, etc. When temperature of the open air is dropped <=a preset temperature (e.g. 4 deg.C), the temperature sensor detects the reduction in temperature, operates a temperature actuator and closes a feed circuit 10 of a solenoid valve 6. The solenoid valve 6 maintains wholly closed attitude when the temperature of the open air is higher than a set temperature and the solenoid valve is made into a wholly closed attitude when the temperature of the open air is dropped to <= the set temperature. A throttle valve 7 can make an amount of gas fed from a pilot gas passageway 5 maintain whole burners 1 in a stable pilot flame. Further, an amount of throttling of a gas for forming major flame is set in such a way that when the gas is supplied from a main gas feed passageway 4, the gas amount is made to transfer the pilot flame into the main flame without being blown out by jetting gas pressure.</abstract><oa>free_for_read</oa></addata></record>
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subjects	AGRICULTURE ANIMAL HUSBANDRY CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED FISHING FORESTRY HORTICULTURE HUMAN NECESSITIES HUNTING TRAPPING WATERING
title	PREVENTION OF HOARFROST FORMATION IN OPEN CULTURE AND DEVICE OF PREVENTING FORMATION OF FOARFROST
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