[특허]Paver feed control

Paver feed control 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E01C-019/00
출원번호	US-0452056 (1974-03-18)
발명자 / 주소	Parker Jimmy L. (19909 Filbert Drive Bothell WA 08011)
인용정보	피인용 횟수 : 39 인용 특허 : 0

초록 ▼

Two feed conveyors and two spreader augers are independently driven, each by its own drive motor. The control means for each feed conveyor includes a sensor at the discharge end of the feed conveyor and means responsive to changes in the level of the paving material at the sensor for proportionally increasing the drive speed of the conveyor as the level drops and proportionally decreasing the drive speed of the conveyor as the level rises. The control means for each auger includes a sensor adjacent the discharge end of the auger and means responsive to changes in the level of the paving material at the sensor for proportionally increasing the drive speed of the auger as the level drops and proportionally decreasing the drive speed of the auger as the level rises.

대표청구항 ▼

In a paving machine comprising a pair of endless feed conveyors arranged to deliver paving material rearwardly from a hopper to the inboard ends of a pair of transverse augers which spread the material outwardly and deposit it onto the surface being paved forwardly of a leveling screed which trails the augers, the improvement comprising: a fixed height opening at the hopper to control the amount of paving material that is delivered from the hopper onto each feed conveyor; a separate variable speed drive means for each feed conveyor, each of which is operatively connected to its feed conveyor; control means for the feed conveyor drive means, including a separate sensor for each feed conveyor, each of which is mounted on the paving machine adjacent the discharge end of its feed conveyor and at the inboard end of the associated auger, for measuring changes in the level of the paving material deposited onto the surface below the sensor and producing a signal proportional to said changes, and means operatively connected to said sensor which is responsive to the signal indicating changes in the level of the paving material at the sensor, for proportionally and substantially instantaneously increasing the drive speed of the associated feed conveyor as the level drops and proportionally and substantially instantaneously decreasing the drive speed of such feed conveyor as the level rises; a separate variable speed drive means for each auger, each of which is operatively connected to its feed conveyor; and control means for the auger drive means, including a separate sensor for each auger, each of which is mounted on the paving machine adjacent the outboard end of its auger for measuring changes in the level of the paving material deposited onto the surface below the sensor and producing a signal proportional to said changes, and means operatively connected to said sensor which is responsive to the signal indicating changes in the level of the paving material at the sensor, for proportionally and substantially instantaneously increasing the drive speed of the associated auger as the level drops and proportionally and substantially instantaneously decreasing the drive speed of such auger as the level rises, whereby the feed conveyors and the augers are continuously being independently and automatically driven at speeds proportional to the demand for paving material at the discharge ends thereof.

이 특허를 인용한 특허 (39)

Brock, James D.; Smith, Donald W., Apparatus for transferring an asphalt-aggregate mixture.
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Kilheffer Kenneth E. (Waco TX) Stegemoeller Calvin L. (Waco TX) Hays Lesley T. (Waco TX), Mobile paving system using an aggregate moisture sensor and method of operation.
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Mauldin Herbert N. (Rte. 7 ; Viewmont Dr. Greenville SC 29609), Paver attachment.
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Layton Jack D. (4468 Medina La. SE. Salem OR 97301), Paver with rotating disc floor.
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Kasler Richard E. (Long Beach CA) O\Bryan Danny J. (Yucaipa CA), Paving machine.
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Frelich, Toby A, Paving machine having automatically adjustable operator station controls.
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Olson,Dale M.; Souraty,Mario J., Paving machine output monitoring system.
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Parker Jimmy L. (19909 Filbert Drive Bothell WA 98011), Paving machine with enclosed material compartment.
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Carternock Frederick A. (Dover GB2), Paving machines.
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Robert A. Sovik ; Richard N. Hosterman ; George G. Moross, Paving material analyzer system and method.
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Sovik, Robert A.; Hosterman, Richard N.; Moross, George G., Paving material analyzer system and method.
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Sovik Robert A. ; Hosterman Richard N. ; Moross George G., Paving material density indicator and method using capacitance.
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Frelich,Toby Andrew, Paving process and machine with feed forward material feed control system.
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Nelson, Ryan J.; Frelich, Toby A., System and method for monitoring productivity of a paving machine.
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Mings, Rick; Frelich, Toby; Thiesse, Chad, Systems and methods for aiming asphalt material feed sensors.
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Plemons Carl Dean ; Stegemoeller Calvin Lynn, Telescoping auger shaft and method of manufacture.
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Calvin Lynn Stegemoeller, Telescoping spreader box with replaceable strike-off system.
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Leone, John; Federowicz, Steven D., Zero clearance variable width concrete paving machine.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Paver feed control 원문보기

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Paver feed control 원문보기

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이 특허를 인용한 특허 (39)

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