US4689531A — Electric regeneration apparatus and method for dr…

Claim 1

Independent Claim 156 words

Electric regeneration apparatus for driving a load, comprising: first electric motor means adapted for driving said load; battery means for providing drive power to said first electric motor means, and for providing recharge power, said battery means including a first plurality of battery packs which provide said drive power, and a second plurality of battery packs which provide said recharge power, each one of said first plurality of battery packs being paired with a corresponding one of said second plurality of battery packs; generator means for recharging said battery means; second electric motor means for receiving said recharge power and driving said generator means; and switching means for switching between pairs of battery packs to cause one of said first plurality of battery pack to provide said drive power while the corresponding battery pack from said second plurality of battery pack provides said recharge power, remaining pairs of battery packs being recharged by said generator means.

Claim 2

Dependent Claim 156 words

Electric regeneration apparatus for driving a load, comprising: first electric motor means adapted for driving said load; battery means for providing drive power to said first electric motor means, and for providing recharge power, said battery means including a first plurality of battery packs which provide said drive power, and a second plurality of battery packs which provide said recharge power, each one of said first plurality of battery packs being paired with a corresponding one of said second plurality of battery packs; generator means for recharging said battery means; second electric motor means for receiving said recharge power and driving said generator means; and switching means for switching between pairs of battery packs to cause one of said first plurality of battery pack to provide said drive power while the corresponding battery pack from said second plurality of battery pack provides said recharge power, remaining pairs of battery packs being recharged by said generator means.

Claim 3

Dependent Claim 25 words

Apparatus according to claim 1 further including hydraulic drive means, coupled to said first electric motor means, for smoothing drive power applied to said load.

Claim 4

Dependent Claim 19 words

Apparatus according to claim 1 wherein said first and second electric motor means are coupled together to equalize loads.

Claim 5

Dependent Claim 35 words

Apparatus according to claim 1 further including at least one reserve battery pack which may be connected to either of said first or said second electric motors to replace one or more defective battery packs.

Claim 6

Dependent Claim 16 words

Apparatus according to claim 1 further including at least one accessory battery pack to power accessories.

Claim 7

Dependent Claim 26 words

Apparatus according to claim 1 further including instrument panel means, coupled to each of said battery packs, for displaying the charge condition of each battery pack.

Claim 8

Dependent Claim 18 words

Apparatus according to claim 1 wherein each said battery packs includes two 12 volt DC, 650 amp batteries.

Claim 9

Dependent Claim 31 words

Apparatus according to claim 1 wherein said switching means sequentially cycles through all pairs of battery packs, pair-by-pair, to cause each pair to provide power for a predetermined period of time.

Claim 10

Dependent Claim 32 words

Apparatus according to claim 8 wherein said switching means provides a period of overlap in switching between pairs so that during said overlap period, two pairs are providing drive and recharge power.

Claim 11

Dependent Claim 27 words

Apparatus according to claim 9 wherein said predetermined period of time is approximately 55 seconds, and wherein said period of overlap is approximately equal to 5 seconds.

Claim 12

Dependent Claim 38 words

Apparatus according to claim 10 wherein said first and said second plurality of battery packs each include ten battery packs so that each battery pack provides power for approximately 1 minute and is recharged for approximately nine minutes.

Claim 13

Dependent Claim 59 words

Apparatus accordng to claim 9 wherein said generator means includes first and second pluralities of generators, each generator in said first plurality of generators being associated with a battery pack in said first plurality of battery packs, and each generator in said second plurality of generators being associated with a battery pack in said second plurality of battery packs.

Claim 14

Dependent Claim 43 words

Apparatus according to claim 12 further including relay means, coupled between each said battery pack and its corresponding electric motor means and responsive to said switching means, for opening and closing electrical contact between said battery pack and said corresponding electric motor means.

Claim 15

Dependent Claim 23 words

Apparatus according to claim 13 wherein said relay means includes a plurality of relays, each relay associated with one of said battery packs.

Claim 16

Dependent Claim 28 words

Apparatus according to claim 13 wherein each battery pack includes two batteries, and wherein one generator is associated with each battery so that each battery is recharged individually.

Claim 17

Dependent Claim 37 words

Apparatus according to claim 15 wherein said relay means includes first and second relays, said first relay coupled between said two batteries, and said second relay coupled between said first relay and said corresponding electric motor means.

Claim 18

Dependent Claim 85 words

Appratus according to claim 13 further including auxiliary power means, coupled to said generator means and to said second electric motor means, for providing auxiliary AC power, said auxiliary power means including: an auxiliary shaft coupled to said second electric motor means; a plurality of distributor means, each distributor means receiving input DC power from a different generator and having a plurality of outputs from which AC power may be derived; and drive means for driving said plurality of distributor means from said auxiliary shaft.

Claim 19

Dependent Claim 164 words

Electric regeneration apparatus for driving a load, comprising: electric motor means adapted for driving said load, and for providing recharge energy; first battery means for providing drive power to said electric motor means, and for receiving said recharge energy, said first battery means including a first plurality of battery packs; second battery means for providing recharge power to said electric motor means, and for receiving said recharge energy, said second battery means including a second plurality of battery packs arranged so that each battery pack of said second plurality of battery packs is paired with a corresponding one of said first plurality of battery packs; and switching means for sequentially connecting pairs of battery packs to said electric motor means to cause a battery pack from said first plurality of battery packs to provide said drive power while a corresponding battery pack from said second plurality of battery packs provides said recharge power, remaining pairs of battery packs being recharged with said recharge energy.

Claim 20

Dependent Claim 164 words

Electric regeneration apparatus for driving a load, comprising: electric motor means adapted for driving said load, and for providing recharge energy; first battery means for providing drive power to said electric motor means, and for receiving said recharge energy, said first battery means including a first plurality of battery packs; second battery means for providing recharge power to said electric motor means, and for receiving said recharge energy, said second battery means including a second plurality of battery packs arranged so that each battery pack of said second plurality of battery packs is paired with a corresponding one of said first plurality of battery packs; and switching means for sequentially connecting pairs of battery packs to said electric motor means to cause a battery pack from said first plurality of battery packs to provide said drive power while a corresponding battery pack from said second plurality of battery packs provides said recharge power, remaining pairs of battery packs being recharged with said recharge energy.

Claim 21

Dependent Claim 38 words

Apparatus according to claim 18 wherein said switching means provides a period of overlap between successive pairs of battery packs so that during said overlap period two pairs of battery packs are connected to said electric motor means.

Claim 22

Dependent Claim 23 words

Apparatus according to claim 18 further including generator means for receiving said recharge energy and recharging said first and said second battery means.

Claim 23

Dependent Claim 55 words

Apparatus according to claim 20 wherein said generator means includes a first plurality of generators, each one of which is associated with a corresponding one of said first plurality of battery packs, and a second plurality of generators, each one of which is associated with a corresponding one of said second plurality of battery packs.

Claim 24

Dependent Claim 39 words

Apparatus according to claim 21 further including relay means coupled to said first and said second battery means and responsive to said switching means, for opening and closing electrical contact between said battery means and said electric motor means.

Claim 25

Dependent Claim 55 words

Apparatus according to claim 22 wherein said relay means includes a first plurality of relays, each relay of which is coupled to a corresponding one of said first plurality of battery packs, and a second plurality of relays, each relay of which is coupled to a corresponding one of said second plurality of battery packs.

Claim 26

Dependent Claim 43 words

Apparatus according to claim 23 wherein said electric motor means includes a first electric motor coupled to said first plurality of relays, for driving said load, and a second electric motor coupled to said second plurality of relays, for providing said recharge energy.

Claim 27

Dependent Claim 19 words

Apparatus according to claim 24 wherein said first and said second electric motors are coupled together to equalize loads.

Claim 28

Dependent Claim 25 words

Appratus according to claim 20 wherein each said battery pack includes two batteries, and wherein said generator means includes one generator coupled to each battery.

Claim 29

Dependent Claim 59 words

Apparatus according to claim 26 further including relay means responsive to said switching means, for establishing electrical contact between said battery means and said electric motor means, said relay means including, for each said battery pack, a first relay for coupling together said two batteries, and a second relay for coupling said battery pack to said electric motor means.

Claim 30

Dependent Claim 51 words

Apparatus according to claim 20 further including distributor means, coupled to said electric motor means, for providing auxiliary AC power, said distributor means including a plurality of distributors, each one of which receives energy from said generator means and providing a plurality of outputs from which said AC power is derived.

Claim 31

Dependent Claim 16 words

Apparatus according to claim 18 further including accessory battery pack means for providing power to accessories.

Claim 32

Dependent Claim 20 words

Apparatus according to claim 18 further including reserve battery pack means for providing reserve power to said electric motor means.

Claim 33

Dependent Claim 27 words

Apparatus according to claim 18 further including instrument panel means, coupled to said first and second battery means, for displaying an electrical condition of said battery means.

Claim 34

Dependent Claim 23 words

Apparatus according to claim 18 further including hydraulic drive means, coupled to said electric motor means, for smoothing force applied to said load.

Claim 35

Dependent Claim 18 words

Apparatus according to claim 18 wherein each battery pack includes two, twelve volt DC batteries coupled in series.

Claim 36

Dependent Claim 20 words

Apparatus according to claim 33 wherein said first and said second plurality of battery packs each include ten battery packs.

Claim 37

Dependent Claim 134 words

Electrical regeneration apparatus for driving an electrical automobile, comprising: electrical drive motor means adapted to drive said automobile; a first plurality of battery means for providing drive power to said drive motor means; a second plurality of battery means, arranged with said first plurality of battery means in pairs, for providing recharging power; generator means for recharging said first and second plurality of battery means; electrical recharge motor means for receiving said recharging power and driving said generator means; and control means for switching between said pairs to cause one of said first plurality of battery means to power said drive motor means while a corresponding one of said second plurality of means sequentially switching through all pairs of battery means, pair-by-pair, while all pairs not providing power are recharged by said generator means.

Claim 38

Dependent Claim 134 words

Electrical regeneration apparatus for driving an electrical automobile, comprising: electrical drive motor means adapted to drive said automobile; a first plurality of battery means for providing drive power to said drive motor means; a second plurality of battery means, arranged with said first plurality of battery means in pairs, for providing recharging power; generator means for recharging said first and second plurality of battery means; electrical recharge motor means for receiving said recharging power and driving said generator means; and control means for switching between said pairs to cause one of said first plurality of battery means to power said drive motor means while a corresponding one of said second plurality of means sequentially switching through all pairs of battery means, pair-by-pair, while all pairs not providing power are recharged by said generator means.

Claim 39

Dependent Claim 51 words

Apparatus according to claim 35 wherein said control means includes: timer switch means for switching between said pairs of battery means at given intervals of time; and relay means, responsive to said timer switch means, for opening and closing electrical contact between said battery means and said electrical drive motor means.

Claim 40

Dependent Claim 47 words

Appratus according to claim 36 wherein said timer switch means provides a period of overlap between adjacent time intervals during which two pairs of battery means are connected to said electrical drive motor means and said electrical recharge motor means to cause said switching to be smooth.

Claim 41

Independent Claim 162 words

A method of powering an electrical car having a electric drive motor, an electric recharge motor, first and second pluralities of battery packs, and generators connected to said recharge motor and to said battery packs, comprising the steps of: selecting a first pair of battery packs including a first battery pack from said first plurality of battery packs and a second battery pack from said second plurality of battery packs; connecting said first battery pack to said electric drive motor, and said second battery pack to said electric recharge motor for a predetermined period of time; recharging non-connected pairs of battery packs from said generators and said electric recharge motor; disconnecting said first pair of battery packs from said electric motors, and connecting a second pair of battery packs to said electric motors, said first pair of battery packs being recharged with other non-connected pairs of battery packs; and sequentially repeating said disconnecting and connecting step for all pairs of battery packs.

Claim 42

Independent Claim 162 words

A method of powering an electrical car having a electric drive motor, an electric recharge motor, first and second pluralities of battery packs, and generators connected to said recharge motor and to said battery packs, comprising the steps of: selecting a first pair of battery packs including a first battery pack from said first plurality of battery packs and a second battery pack from said second plurality of battery packs; connecting said first battery pack to said electric drive motor, and said second battery pack to said electric recharge motor for a predetermined period of time; recharging non-connected pairs of battery packs from said generators and said electric recharge motor; disconnecting said first pair of battery packs from said electric motors, and connecting a second pair of battery packs to said electric motors, said first pair of battery packs being recharged with other non-connected pairs of battery packs; and sequentially repeating said disconnecting and connecting step for all pairs of battery packs.

Claim 43

Dependent Claim 44 words

A method according to claim 38 wherein said first pair of battery packs is not disconnected until a predetermined interval of time after said second pair of battery packs is connected, said predetermined interval of time being shorter than said predetermined period of time.

Claim 44

Dependent Claim 26 words

A method according to claim 39 wherein said predetermined period of time is approximately one minute, and said predetermined interval of time is approximately five seconds.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1990-08-24	1991-02-23	1991-08-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1994-08-24	1995-02-23	1995-08-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1998-08-24	1999-02-23	1999-08-25	$7700.00	Window Closed / Lapsed

Electric regeneration apparatus and method for driving a load

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