BR8403676A - Sistema auto-nivelante controlando uma lanca e cacamba - Google Patents

Sistema auto-nivelante controlando uma lanca e cacamba

Info

Publication number: BR8403676A
Authority: BR; Brazil
Prior art keywords: cacamba; boat; self; system controlling; leveling system
Prior art date: 1983-07-25

Application number

BR8403676A

Other languages

English (en)

Inventor

Robert W Calvert

Original Assignee

Cessna Aircraft Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1983-07-25

Filing date

1984-07-24

Publication date

1985-07-02

1984-07-24 Application filed by Cessna Aircraft Co filed Critical Cessna Aircraft Co

1985-07-02 Publication of BR8403676A publication Critical patent/BR8403676A/pt

Classifications

- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
- E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
- E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
General Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Operation Control Of Excavators (AREA)
Fluid-Pressure Circuits (AREA)

BR8403676A 1983-07-25 1984-07-24 Sistema auto-nivelante controlando uma lanca e cacamba BR8403676A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/517,177 US4561342A (en)	1983-07-25	1983-07-25	Series self-leveling valve

Publications (1)

Publication Number	Publication Date
BR8403676A true BR8403676A (pt)	1985-07-02

Family

ID=24058700

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8403676A BR8403676A (pt)	1983-07-25	1984-07-24	Sistema auto-nivelante controlando uma lanca e cacamba

Country Status (5)

Country	Link
US (1)	US4561342A (pt)
BR (1)	BR8403676A (pt)
CA (1)	CA1220404A (pt)
FR (1)	FR2549873B1 (pt)
GB (1)	GB2143799B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4709618A (en) *	1985-10-02	1987-12-01	The Cessna Aircraft Company	Series self-leveling valve with single spool for unloading and relief
US4815357A (en) *	1987-07-21	1989-03-28	Lull Corp.	Adjustable divided flow self-leveling system
GB2247448B (en) *	1987-10-07	1992-06-10	Jlg Ind Inc	Levelling assembly for work platforms on articulating booms
US4923362A (en) *	1988-06-06	1990-05-08	Deere & Company	Bucket leveling system with dual fluid supply
US5447094A (en) *	1994-02-07	1995-09-05	Delta Power Hydraulic Co.	Hydraulic system for bucket self-leveling during raising and lowering of boom
US6308612B1 (en)	1998-09-24	2001-10-30	Delta Power Company	Hydraulic leveling control system for a loader type vehicle
US6389953B1 (en)	1998-09-24	2002-05-21	Delta Power Company	Hydraulic leveling control system for a loader type vehicle
JP6567395B2 (ja) *	2015-11-17	2019-08-28	株式会社クボタ	制御弁及び制御弁を備えた作業機の油圧システム
US10316489B2 (en)	2015-12-07	2019-06-11	Kubota Cororation	Work machine and hydraulic system for work machine
JP6537962B2 (ja) *	2015-12-07	2019-07-03	株式会社クボタ	作業機の油圧システム及び作業機
JP6977128B2 (ja) *	2017-05-16	2021-12-08	株式会社クボタ	作業機の油圧システム及び制御弁

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2737196A (en) *	1952-06-04	1956-03-06	Eaton Mfg Co	Flow divider valve
US2883077A (en) *	1956-02-23	1959-04-21	John S Pilch	Bucket control for loader or the like
US2988891A (en) *	1959-06-17	1961-06-20	American Ind Company	Hydraulically responsive control system
DE1122443B (de) *	1960-02-01	1962-01-18	Meiller Fahrzeuge	Anordnung zur Steuerung der Hub- und Wippbewegung einer Ladeschaufel an einem Frontlader
US3033168A (en) *	1960-10-31	1962-05-08	New York Air Brake Co	Hydraulic mechanism
US3179120A (en) *	1963-05-24	1965-04-20	Koehring Co	Proportional flow divider
US3482600A (en) *	1968-03-04	1969-12-09	Commercial Shearing	Hollow slide valves
US3703186A (en) *	1971-08-12	1972-11-21	Gen Motors Corp	Flow divider control valve assembly
US4126083A (en) *	1977-02-07	1978-11-21	Caterpillar Tractor Co.	Attitude control for implement
GB1599283A (en) *	1978-05-24	1981-09-30	Hayward J A D	Linkages for raising and lowering loads/materials
JPS5635806A (en) *	1979-09-01	1981-04-08	Sanyo Kiki Kk	Compound oil pressure circuit
US4337787A (en) *	1980-03-12	1982-07-06	Caterpillar Tractor Co.	Pressure regulating hydraulic circuit and valve
US4408518A (en) *	1981-03-17	1983-10-11	The Cessna Aircraft Company	Series self-leveling valve

1983
- 1983-07-25 US US06/517,177 patent/US4561342A/en not_active Expired - Lifetime
1984
- 1984-07-06 CA CA000458367A patent/CA1220404A/en not_active Expired
- 1984-07-13 GB GB08417945A patent/GB2143799B/en not_active Expired
- 1984-07-24 BR BR8403676A patent/BR8403676A/pt unknown
- 1984-07-24 FR FR8411722A patent/FR2549873B1/fr not_active Expired

Also Published As

Publication number	Publication date
US4561342A (en)	1985-12-31
FR2549873A1 (fr)	1985-02-01
GB2143799B (en)	1985-12-24
CA1220404A (en)	1987-04-14
GB8417945D0 (en)	1984-08-15
GB2143799A (en)	1985-02-20
FR2549873B1 (fr)	1986-08-08

Publication	Publication Date	Title
IT1176848B (it)	1987-08-18	Sistema di controllo di sequenza espandibile
BR8401957A (pt)	1984-12-04	Sistema modular flutuante
FI840824A0 (fi)	1984-03-01	Nya azol-foereningar
FI840026A0 (fi)	1984-01-05	Undervattensdrivanordning foer propeller
DK193883D0 (da)	1983-05-02	Maritimt drivsystem
BR8402299A (pt)	1984-12-26	Sistema de controle de armazenamento intermediario
NO171776C (no)	1993-05-05	Styre- og fremdriftssystem for skip
FI840867A0 (fi)	1984-03-05	Nya karboxamider
BR8403676A (pt)	1985-07-02	Sistema auto-nivelante controlando uma lanca e cacamba
DK223986D0 (da)	1986-05-14	Skibsanker
AT383323B (de)	1987-06-25	Bootsantrieb
BR8401588A (pt)	1984-11-13	Navio
PT78524A (de)	1984-06-01	Segelschiff
NO842949L (no)	1985-01-23	Skip
FR2588819B1 (fr)	1990-11-16	Dock flottant
DK582386D0 (da)	1986-12-03	Skib
BR8406980A (pt)	1985-06-11	Barco flutuante de auto-prolpulsao
FR2539097B1 (fr)	1988-03-04	Embarcation demontable
FR2585054B1 (fr)	1990-06-08	Silo horizontal en beton du t
BR8400959A (pt)	1984-10-23	Sistema turbocomposto
IT8447535A0 (it)	1984-01-12	Ancora per natanti
SE8101873L (sv)	1982-09-25	Roro fartyg
IT8329567V0 (it)	1983-09-29	Barca sciarelli
SE8504099D0 (sv)	1985-09-04	Smabatshamn/bathus
IT1181362B (it)	1987-09-23	Carena a sistema aeroidrodinamico