Battery charging and electrical energy delivery system for delivering electrical energy to consumers and charging current to a battery and a battery operated system
First Claim
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1. A battery charging and electrical energy delivery system comprisinga first connection for connection to an energy source;
- a second connection for connection to a battery;
a third connection for connection to a first set of consumers of electrical energy;
a first path for supplying charging current from the energy source to the battery when connected to the first and second connections respectively;
a second path, separate from said first path, for supplying electrical energy from the energy source to the first set of consumers when connected to the first and third connections respectively;
a third path for supplying electrical energy from the battery to the first set of consumers when connected to the second and third connections respectively;
a control unit for controlling the supply of electrical energy along said first, second and third paths in response to a detected state of the energy source,wherein said control unit is adapted to control the supply of electrical energy along said first, second and third paths such thatthe battery is charged via the first path and the first set of consumers receives electrical energy via the second path, in response to detecting that the energy source is on; and
the first set of consumers receives electrical energy via the third path, in response to detecting that the energy source is off; and
wherein said control unit is adapted to switch the supply of electrical energy to the first set of consumers from supply via the third path to supply via the second path in response to detecting a state change of the energy source from off to on and that the on state is maintained for a predetermined first period of time.
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Abstract
A battery charging and electrical energy delivery system (25) that allows for separation of charging of a battery (23) and delivery of electrical energy to a first set of consumers (24). The battery may be charged via a first path (29) for connecting the battery with an energy source (22), while electrical energy may be supplied via a second path (30) (separate from the first path) from the energy source to the first set of consumers. The first set of consumers may also be powered by the battery via third path (31) e.g. if the energy source is off. A control unit (32) is adapted to control the supply of electrical energy along the first, second and third paths in response to a detected state of the energy source. A battery operated system (21a) including the battery charging and electrical energy delivery system (25) is also provided.
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Citations
19 Claims
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1. A battery charging and electrical energy delivery system comprising
a first connection for connection to an energy source; -
a second connection for connection to a battery; a third connection for connection to a first set of consumers of electrical energy; a first path for supplying charging current from the energy source to the battery when connected to the first and second connections respectively; a second path, separate from said first path, for supplying electrical energy from the energy source to the first set of consumers when connected to the first and third connections respectively; a third path for supplying electrical energy from the battery to the first set of consumers when connected to the second and third connections respectively; a control unit for controlling the supply of electrical energy along said first, second and third paths in response to a detected state of the energy source, wherein said control unit is adapted to control the supply of electrical energy along said first, second and third paths such that the battery is charged via the first path and the first set of consumers receives electrical energy via the second path, in response to detecting that the energy source is on; and the first set of consumers receives electrical energy via the third path, in response to detecting that the energy source is off; and wherein said control unit is adapted to switch the supply of electrical energy to the first set of consumers from supply via the third path to supply via the second path in response to detecting a state change of the energy source from off to on and that the on state is maintained for a predetermined first period of time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A battery charging and electrical energy delivery system comprising
a first connection for connection to an energy source; -
a second connection for connection to a battery; a third connection for connection to a first set of consumers of electrical energy; a first path for supplying charging current from the energy source to the battery when connected to the first and second connections respectively; a second path, separate from said first path, for supplying electrical energy from the energy source to the first set of consumers when connected to the first and third connections respectively; a third path for supplying electrical energy from the battery to the first set of consumers when connected to the second and third connections respectively; a control unit for controlling the supply of electrical energy along said first, second and third paths in response to a detected state of the energy source wherein said control unit is adapted to control the supply of electrical energy along said first, second and third paths such that the battery is charged via the first path and the first set of consumers receives electrical energy via the second path, in response to detecting that the energy source is on; and
the first set of consumers receives electrical energy via the third path, in response to detecting that the energy source is off; and
wherein said control unit is adapted to switch the supply of electrical energy to the first set of consumers from supply via the second path to supply via the third path in response to detecting a state change of the energy source from on to off and that the off state is maintained for a predetermined second period of time. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification
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Current AssigneeCTEK Sweden AB (CTEK Holding AB)
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Original AssigneeCTEK Sweden AB (CTEK Holding AB)
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InventorsMaleus, Börje
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Primary Examiner(s)WILLIAMS, ARUN C
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Application NumberUS12/564,360Publication NumberTime in Patent Office1,204 DaysField of Search320/162US Class Current320/162CPC Class CodesH02J 7/0068 Battery or charger load swi...
