IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0297766
(2007-04-19)
|
등록번호 |
US-8286721
(2012-10-16)
|
우선권정보 |
FR-06 03513 (2006-04-20) |
국제출원번호 |
PCT/EP2007/053815
(2007-04-19)
|
§371/§102 date |
20090602
(20090602)
|
국제공개번호 |
WO2007/122169
(2007-11-01)
|
발명자
/ 주소 |
- Gerbaud, Nicolas
- Vion, Peter
- Fanjas, Guillaume
- Grare, Didier
- Meniere, Frédéric
- Albin, Franck
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
6 |
초록
▼
A power hoe is provided, which includes an electric motor operating tools for work in the ground and at least one battery intended to power the motor and having a set of functionalities. The power hoe is able to operate in at least two operating modes selected according to at least one information i
A power hoe is provided, which includes an electric motor operating tools for work in the ground and at least one battery intended to power the motor and having a set of functionalities. The power hoe is able to operate in at least two operating modes selected according to at least one information item representative of a level of charge remaining in the battery or batteries. These operating modes include, at least: a normal operating mode, in which all of the functionalities of the equipment are available, including a functionality allowing the motor to be supplied with additional power for a limited period of time; and a downgraded operating mode in which at least the functionality allowing the motor to be supplied with additional power is disabled.
대표청구항
▼
1. A power hoe, comprising: an electric motor, which actuates soil cultivation tools;at least one battery intended to power said motor; andmeans for determining an electric power supplied to said motor by said at least one battery, as a function of at least one information item representing a charge
1. A power hoe, comprising: an electric motor, which actuates soil cultivation tools;at least one battery intended to power said motor; andmeans for determining an electric power supplied to said motor by said at least one battery, as a function of at least one information item representing a charge level of said battery or batteries, so as to provide: a normal operating mode, in which said motor is supplied with a first electric power for making the power hoe move by rolling over the soil cultivation tools and for making the cultivation tools cultivate the soil;a higher operating speed functionality, in which said motor is supplied with additional power compared to said first electric power, for a limited time period and as long as a corresponding higher speed button is held pressed by a user; anda downgraded operating mode, in which the electric power supplied to said motor, which actuates said soil cultivation tools, is limited to a level below said first electric power, and enables only the movement of said power hoe using said actuating soil cultivation tools,and wherein said means for determining stores at least one of the information items selected from the group consisting of: a number of switches to at least one of the operating modes; oran operating time in at least one of the operating modes. 2. The power hoe according to claim 1, wherein the power hoe includes a visual indicator enabling the user to see the operating mode. 3. The power hoe according to claim 1, wherein the power hoe implements a third operating mode in which said motor is stopped before said at least one battery is completely discharged. 4. The power hoe according to claim 1, wherein said determining means includes means for measuring parameters associated with said motor, making it possible to detect a blockage of said motor. 5. The power hoe according to claim 4, wherein said determining means cuts off the electric power supply of said motor or of said equipment in the event of a blockage of said motor. 6. The power hoe according to claim 1, wherein said determining means can communicate with a maintenance apparatus. 7. The power hoe according to claim 1, wherein said determining means includes a function of reversing the motor operation. 8. The power hoe according to claim 1, wherein said at least one battery is removable. 9. The power hoe according to claim 1, wherein the power hoe's activation is controlled by a simultaneous action of the user on a start/stop switch and a speed variation control, and wherein the start-up of said motor, when said power hoe is on, is controlled by another action of the user on said speed variation control. 10. The power hoe according to claim 1, wherein absence of an action by the user on a power hoe control causes the power hoe to turn off after a predetermined time. 11. The power hoe according to claim 1, wherein a spindle of said electric motor is arranged on said equipment at a tilt angle with respect to vertical, toward a front or a back of said power hoe. 12. The power hoe according to claim 1, wherein the power hoe includes at least one removable transport wheel capable of being secured to at least one of the soil cultivation tools so as to facilitate movement of said power hoe. 13. A power hoe, comprising: an electric motor, which actuates soil cultivation tools;at least one battery intended to power said motor; andan electronic circuit connected to the electric motor and the at least one battery and configured to determine an electric power supplied to said motor by said at least one battery, as a function of at least one information item representing a charge level of said battery or batteries, so as to provide: a normal operating mode, in which said motor is supplied with a first electric power for making the power hoe move by rolling over the soil cultivation tools and for making the cultivation tools cultivate the soil;a higher operating speed functionality, in which said motor is supplied with additional power compared to said first electric power, for a limited time period and as long as a corresponding higher speed button is held pressed by a user; anda downgraded operating mode, in which the electric power supplied to said motor, which actuates said soil cultivation tools, is limited to a level below said first electric power, and enables only the movement of said power hoe using said actuating soil cultivation tools,and wherein said electronic circuit stores at least one of the information items selected from the group consisting of: a number of switches to at least one of the normal, higher or downgraded operating modes; oran operating time in at least one of the normal, higher or downgraded operating modes.
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