[특허]Portable vibratory screed with vibration restraint

Wacker Corporation

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Portable vibratory screed with vibration restraint

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E01C-019/22
미국특허분류(USC)	404/118; 404/114
출원번호	US-0773012 (2004-02-04)
발명자 / 주소	Lutz,Todd J.
출원인 / 주소	Wacker Corporation
대리인 / 주소	Boyle Fredrickson Newholm Stein &
인용정보	피인용 횟수 : 7 인용 특허 : 8

초록
▼

A portable vibratory screed machine is provided with a vibration restraint operable to reduce undesirable vibration of the engine and to extend the life of the engine. The portable vibratory screed machine includes a machine frame having a reference structure. The machine further includes an engine mounted on the reference structure via a mount that surrounds a drive shaft that is driven by the engine's output. A vibratory assembly remotely located from the engine is powered by the engine to vibrate a screed plate. The vibration restraint directly couple...

대표
청구항
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I claim: 1. A portable vibratory screed machine, comprising: (A) a screed blade; (B) a machine frame mounted on the screed blade; (C) an engine including a rotational output and an engine housing; (D) a vibratory assembly which is mounted on the machine frame, which is located remote from the engine, and which impacts vibrations to the screed blade; (E) a drive shaft that transmits torque from the engine output to the vibratory assembly (F) an engine mount which surrounds the drive shaft and which supports the engine on the machine frame; and (G) a vibration restraint which is attached to the engine housing and which is attached to the machine frame at a location that is transversely spaced from a bottom of the engine mount thereby to restrain the engine from vibrating in a direction that is at least generally parallel to a central axis of the drive shaft. 2. The portable vibratory screed machine of claim 1, wherein the engine mount is supported on a mount plate of the machine frame, and wherein the restraint has a first end attached to the engine housing and a second end terminating in a flange that is configured to receive fasteners coupling the flange to the mount plate. 3. The portable vibratory screed machine of claim 2, wherein the restraint comprises a plate having first and second ends, the first end being directly coupled to the engine housing and the second end being directly coupled to the mount plate by the fasteners. 4. The portable vibratory screed machine of claim 3, wherein a portion of the plate is shaped to generally conform to a contour of a mating portion of the engine housing. 5. The portable vibratory screed machine of claim 4, wherein the restraint is configured to restrain vibration in a direction generally parallel to the central axis of the drive shaft independent of the engine mount. 6. The portable vibratory screed machine of claim 1, wherein, when the engine operates at a speed of 5,000 to 6,000 rpm, the vibration restraint is operable to at least double an operational life of the engine relative to an engine of the same portable vibratory screed machine without a vibration restraint. 7. The portable vibratory screed machine of claim 6, wherein the vibration restraint is operable to quadruple a life of the engine. 8. The portable vibratory screed machine of claim 1, wherein, when the engine operates in a range of 5,000 to 6,000 rpm, the vibration restraint is operable to reduce engine vibration by at least forty percent. 9. The portable vibratory screed machine of claim 1, wherein, when the engine operates in a range of 5,000 to 6,000 rpm, the vibration restraint is operable to reduce engine vibration by at least twenty-five percent. 10. The portable vibratory screed machine of claim 1, wherein, when the engine operates in a range of 5,000 to 6,000 rpm, the vibration restraint is operable to extend a life of the engine to at least 200 operating hours. 11. The portable vibratory screed machine of claim 1, wherein the vibrating restraint comprises a metal plate having first portion and a second portion, the first portion being inclined relative to the second portion, and a flange coupled to the second portion and having openings configured to receive fasteners coupling the flange to the reference structure. 12. A method of operating an engine of a vibratory plate machine, the vibratory plate machine having a screed blade, a machine frame mounted on the screed blade, a vibratory assembly, a drive shaft that couples the engine to the vibratory assembly, and an engine mount that surrounds the drive shaft and that supports the engine on the machine frame the method comprising: providing a restraint having a first end and a second end, coupling the first end of the restraint to the engine, and coupling the second end of the restraint to the machine frame, operating the engine to drive the vibratory assembly to generate vibrations that are imparted to the screed blade; and, during engine operation, restraining the engine relative to the vibratory assembly in a direction generally parallel to a central axis of the drive shaft using said restraint that couples the engine to the machine frame at a location that is transversely spaced from the engine mount. 13. The method of claim 12, wherein the act of restraining includes reducing vibrational movement of the engine by at least 40 percent relative to operating the same portable vibratory machine without performing the act of restraining. 14. A portable vibratory screed machine, comprising: (A) a screed blade; (B) a machine frame mounted on the screed blade; (C) an engine including a rotational output and an engine housing; (D) a vibratory assembly which is mounted on the machine frame, which is located remote from the engine, and which impacts vibrations to the screed blade; (E) a drive shaft which transmits torque from the engine output to the vibratory assembly (F) an engine mount which surrounds the drive shaft and which supports the engine on the machine frame; (H) a vibration restraint which is attached to the engine housing and which is attached to the machine frame at a location that is transversely spaced from a bottom of the engine mount thereby to restrain the engine from vibrating in a direction that is at least generally parallel to a central axis of the drive shaft; and a handle assembly which is mounted on the machine frame. 15. The method of claim 12, further comprising guiding the portable screed assembly using a handle assembly mounted on the machine frame. 16. A portable vibratory screed machine, comprising: (A) a screed blade; (B) a machine frame mounted on the screed blade; (C) an engine including a rotational output and an engine housing; (D) a vibratory assembly located remote from the engine and mounted on the machine frame; (E) an at least generally vertically extending drive shaft that transmits torque from the engine output to the vibratory assembly; (F) an at least generally vertically extending engine mount that surrounds the drive shaft, that extends upwardly from the machine frame, and to which the engine is clamped; (G) a vibration restraint that is attached to the engine housing and to the machine frame at a location that is transversely spaced from a bottom of the engine mount thereby to restrain the engine from vibrating in a direction that is at least generally parallel to a central axis of the drive shaft.

이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 7

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구성항목	관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
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특허 상세정보

Portable vibratory screed with vibration restraint

초록
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대표
청구항
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이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 7

IPC 상위 출원인

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특허 상세정보

Portable vibratory screed with vibration restraint

초록 ▼

대표청구항 ▼

이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 7

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

처리중입니다.

잠시만 기다려주세요.

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