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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 4. Отображено 4.
21-02-2019 дата публикации

INFEED SYSTEMS FOR CHIPPERS OR GRINDERS, AND CHIPPERS AND GRINDERS HAVING SAME

Номер: US20190054476A1
Автор: Green Aaron, Helland Benjamin, Magill Joshua
Принадлежит:

An infeed system of a chipper or grinder includes a feed roller, a motor for rotating the roller, a hydraulic cylinder for adjusting an amount of crush force applied by the roller, a sensor, and a controller in data communication with the sensor and the cylinder. In operation, the controller determines whether the material is being effectively moved to the processing portion and whether the amount of crush force is at a maximum or lowest setting. The controller causes the cylinder to: (a) decrease the amount of crush force when the material is being effectively moved to the processing portion and the amount of crush force applied is not at the lowest setting; and (b) increase the amount of crush force when the material is not being effectively moved to the processing portion and the amount of crush force is not at the maximum setting. 1. An infeed system for a chipper or grinder , the chipper or grinder having a reducing portion wherein a material is processed into smaller pieces , the infeed system comprising:a hydraulic cylinder operatively connected to a feed roller and configured for adjusting an amount of crush force applied by the feed roller onto the item;a sensor monitoring an operating condition of the chipper and/or effectiveness of movement of the material by the chipper or grinder; and (a) determine, from data received by the sensor, whether the material is being effectively moved to the reducing portion,', '(b) control the hydraulic cylinder to decrease the amount of crush force applied when the controller determines that the material is being effectively moved to the reducing portion,', '(c) control the hydraulic cylinder to increase the amount of crush force applied when the controller determines that the material is not being effectively moved to the reducing portion, and,', '(d) continuously repeat the steps of (a)-(c) to optimize the force applied by the feed roller to the item while feeding the material toward the reducing portion., 'a controller ...

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Номер записи: 1
09-11-2017 дата публикации

IN-FEED SYSTEMS FOR CHIPPERS OR GRINDERS, AND CHIPPERS AND GRINDERS HAVING SAME

Номер: US20170320067A1
Автор: Helland Benjamin
Принадлежит:

An infeed system is provided for a chipper or grinder having a processing portion wherein an item is processed into smaller pieces. The infeed system is upstream of the processing portion and includes a feed roller, a first hydraulic motor in communication with the feed roller for selectively actuating the feed roller, a second hydraulic motor in communication with the feed roller for selectively actuating the feed roller, and a hydraulic pump for providing hydraulic fluid to the first and second motors. A directional control valve and a relational control valve are between the pump and the motors. The directional control valve allows the hydraulic fluid to operate the first and second motors in a forward direction and in a reverse direction, and the relational control valve allows the hydraulic fluid to operate the first and second motors in series and in parallel. 1. An infeed system for a chipper or grinder , the chipper or grinder having a processing portion wherein an item is processed into smaller pieces , the infeed system being upstream of the processing portion and comprising:a feed roller;a first hydraulic motor in communication with the feed roller for selectively actuating the feed roller;a second hydraulic motor in communication with the feed roller for selectively actuating the feed roller; anda control system for selectively providing hydraulic fluid to the first and second hydraulic motors in series and in parallel.2. The infeed system of claim 1 , wherein:the control system includes a processor, at least one pump, and at least one valve; the at least one valve being controlled by the processor to selectively:(a) provide the hydraulic fluid to the first and second hydraulic motors in series;(b) provide the hydraulic fluid to the first and second hydraulic motors in parallel; and(c) prevent the hydraulic fluid from operating the first and second hydraulic motors.3. The infeed system of claim 2 , wherein:the feed roller is movable to adjust an infeed ...

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Номер записи: 2
16-07-2019 дата публикации

In-feed systems for chippers or grinders, and chippers and grinders having same

Номер: US10350608B2
Автор: Benjamin Helland
Принадлежит: Vermeer Manufacturing Co

An infeed system is provided for a chipper or grinder having a processing portion wherein an item is processed into smaller pieces. The infeed system is upstream of the processing portion and includes a feed roller, a first hydraulic motor in communication with the feed roller for selectively actuating the feed roller, a second hydraulic motor in communication with the feed roller for selectively actuating the feed roller, and a hydraulic pump for providing hydraulic fluid to the first and second motors. A directional control valve and a relational control valve are between the pump and the motors. The directional control valve allows the hydraulic fluid to operate the first and second motors in a forward direction and in a reverse direction, and the relational control valve allows the hydraulic fluid to operate the first and second motors in series and in parallel.

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Номер записи: 3
27-07-2021 дата публикации

Infeed systems for chippers or grinders, and chippers and grinders having same

Номер: US11071986B2
Автор: Aaron Green, Benjamin Helland, Joshua Magill
Принадлежит: Vermeer Manufacturing Co

An infeed system of a chipper or grinder includes a feed roller, a motor for rotating the roller, a hydraulic cylinder for adjusting an amount of crush force applied by the roller, a sensor, and a controller in data communication with the sensor and the cylinder. In operation, the controller determines whether the material is being effectively moved to the processing portion and whether the amount of crush force is at a maximum or lowest setting. The controller causes the cylinder to: (a) decrease the amount of crush force when the material is being effectively moved to the processing portion and the amount of crush force applied is not at the lowest setting; and (b) increase the amount of crush force when the material is not being effectively moved to the processing portion and the amount of crush force is not at the maximum setting.

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Номер записи: 4