Dual battery charging generator

Claim 2

A diode-rectified alternating current generator unit for providing two direct voltage outputs for charging a pair of series-connected storage batteries comprising, housing means for said unit, said housing means comprising a generator housing and a second housing secured thereto, an output winding supported by and located within said generator housing, a rotor adapted to be rotatably driven for causing an alternating current to be generated in said output winding as said rotor rotates, first and second bridge rectifier units located within said housing means each having A.C. input terminals and positive and negative direct current output terminals, one of said bridge rectifier units supported by said generator housing and the other bridge rectifier unit supported by said second housing, a transformer located within said housing means supported by said second housing, means disposed within said housing means electrically connecting the primary winding of said transformer with said output winding, means located within said housing means electrically connecting the secondary winding of said transformer with said A.C. input terminals of said first bridge rectifier unit; means located within said housing means electrically connecting said output winding with said A.C. input terminals of said second bridge rectifier unit, first and second output terminAls supported by said housing means, means electrically connecting one of the direct current output terminals of said first bridge rectifier unit with said first output terminal, means located within said housing means electrically connecting the positive terminal of one bridge rectifier unit and the negative terminal of the other bridge rectifier unit to said second output terminal, third output terminal means, means electrically connecting said third output terminal means to the direct current output terminal of said second bridge rectifier unit that has a polarity opposite to the polarity of said first terminal, and voltage regulating means supported by said housing means, said voltage regulating means being connected to sense the direct voltage output of said second bridge rectifier unit and operative to maintain the output voltage of said generator at a desired regulated value in response to the voltage sensed.

Claim 3

A direct current power supply unit for charging a pair of series connected storage batteries having substantially equal terminal voltages comprising, an alternating current generator, housing means for said power supply unit comprising a generator housing and a second housing secured thereto and defining a compartment therewith, a three-phase output winding for said generator located within said generator housing, a rotor for said generator adapted to be rotatably driven for causing an alternating current to be generated in said output winding, first and second three-phase full-wave bridge rectifier units located within said compartment supported respectively by said generator housing and said second housing, each rectifier unit having A.C. input terminals and positive and negative direct current output terminals, a transformer located within said compartment supported by said second housing, said transformer having a substantially one-to-one turns ratio, means located within said housing means electrically connecting the primary winding of said transformer with said output winding, means located within said compartment electrically connecting the secondary winding of said transformer with said A.C. input terminals of said first bridge rectifier unit, means located within said housing means connecting said output winding with said A.C. input terminals of said second bridge rectifier unit, first and second output terminals supported from said housing means, means electrically connecting the positive direct current output terminal of said first bridge rectifier unit with said first output terminal, means located within said housing means electrically connecting the negative direct current terminal of said first bridge rectifier unit and the positive direct current output terminal of the second bridge rectifier unit with said second terminal, third electrical output terminal means, means electrically connecting the negative direct current output terminal of said second bridge rectifier unit to said third electrical output terminal means, and voltage regulating means located within said housing means, said voltage regulating means including a voltage sensing circuit electrically connected across the direct current output terminals of said second bridge rectifier unit, said voltage regulating means operative to maintain the output voltage of said generator at a desired regulated value in response to the direct voltage output of said second bridge rectifier unit.

Claim 4

A direct current power supply unit for charging a pair of series connected storage batteries having substantially equal terminal voltages comprising, an alternating current generator, housing means for said power supply unit comprising a generator housing and a second housing secured thereto and defining a compartment therewith, a three-phase output winding for said generator located within said generator housing, a rotor for said generator adapted to be rotatably driven for causing an alternating current to be generated in said output winding, first and second three-phase full-wave bridge rectifier units located within said compartment supported respectively by said generator housing and said second housing, each rectifier unit having A.C. input terminals and positive and negative direct current output terminals, a transformer located within said compartment supported by said second housing, said transformer having a substantially one-to-one turns ratio, means located within said housing means electrically connecting the primary winding of said transformer with said output winding, means located within said compartment electrically connecting the secondary winding of said transformer with said A.C. input terminals of said first bridge rectifier unit, means located within said housing means connecting said output winding with said A.C. input terminals of said second bridge rectifier unit, first and second output terminals supported from said housing means, means electrically connecting the positive direct current output terminal of said first bridge rectifier unit with said first output terminal, means located within said housing means electrically connecting the negative direct current terminal of said first bridge rectifier unit and the positive direct current output terminal of the second bridge rectifier unit with said second terminal, third electrical output terminal means, means electrically connecting the negative direct current output terminal of said second bridge rectifier unit to said third electrical output terminal means, and voltage regulating means located within said housing means, said voltage regulating means including a voltage sensing circuit electrically connected across the direct current output terminals of said second bridge rectifier unit, said voltage regulating means operative to maintain the output voltage of said generator at a desired regulated value in response to the direct voltage output of said second bridge rectifier unit.

Claim 5

A direct current power supply unit for charging a pair of series connected storage batteries that have substantially equal terminal voltages comprising, an alternating current generator having first and second end frames, a rotor rotatably supported by said end frames, a polyphase stator winding supported by and located within said end frames, a housing secured to one of said end frames, said housing extending axially from said one end frame and defining a compartment therewith, first and second polyphase full-wave bridge rectifier units located within said compartment, said first rectifier unit supPorted by said housing, said second rectifier unit supported by said one end frame, each bridge rectifier unit having A.C. input terminals and positive and negative direct current output terminals defined respectively by metallic heat sinks, a transfomer supported by said housing located within said compartment, conductor means connected between said stator winding and the A.C. input terminals of said second bridge rectifier unit, conductor means disposed within said compartment connecting the primary winding of said transformer and said A.C. input terminals of said second bridge rectifier unit, conductor means disposed within said compartment connecting the secondary winding of said transfomer with said A.C. input terminals of said second bridge rectifier unit, first, second and third output terminal means for said power unit, means connecting one of the direct current output terminals of said first bridge rectifier unit with said first output terminal means, means located within said compartment connecting the positive terminal of one bridge rectifier unit and the negative terminal of the other bridge rectifier unit to said second output terminals means, means connecting the direct current output terminal of said second bridge rectifier unit that has a polarity opposite to the polarity of said first terminal means to said third terminal means of said power unit, and voltage regulating means located within said compartment, said voltage regulating means including a sensing circuit electrically connected with the direct current output terminals of said second bridge rectifier unit and operative to maintain the output voltage of said generator at a desired regulated value.

Claim 6

A direct current power supply unit for charging a pair of series connected storage batteries that have substantially equal terminal voltages comprising, an alternating current generator having first and second end frames, a rotor rotatably supported by said end frames, a polyphase stator winding supported by and located within said end frames, a housing secured to one of said end frames, said housing extending axially from said one end frame and defining a compartment therewith, first and second polyphase full-wave bridge rectifier units located within said compartment, said first rectifier unit supPorted by said housing, said second rectifier unit supported by said one end frame, each bridge rectifier unit having A.C. input terminals and positive and negative direct current output terminals defined respectively by metallic heat sinks, a transfomer supported by said housing located within said compartment, conductor means connected between said stator winding and the A.C. input terminals of said second bridge rectifier unit, conductor means disposed within said compartment connecting the primary winding of said transformer and said A.C. input terminals of said second bridge rectifier unit, conductor means disposed within said compartment connecting the secondary winding of said transfomer with said A.C. input terminals of said second bridge rectifier unit, first, second and third output terminal means for said power unit, means connecting one of the direct current output terminals of said first bridge rectifier unit with said first output terminal means, means located within said compartment connecting the positive terminal of one bridge rectifier unit and the negative terminal of the other bridge rectifier unit to said second output terminals means, means connecting the direct current output terminal of said second bridge rectifier unit that has a polarity opposite to the polarity of said first terminal means to said third terminal means of said power unit, and voltage regulating means located within said compartment, said voltage regulating means including a sensing circuit electrically connected with the direct current output terminals of said second bridge rectifier unit and operative to maintain the output voltage of said generator at a desired regulated value.

Claim 7

A direct current power unit for charging a pair of series connected batteries comprising, an alternating current generator having an output winding and an end frame, a housing secured to said end frame defining a compartment therewith, first and second bridge rectifier units supported respectively by said end frame and housing and located within a first portion of said compartment in opposed substantial alignment with each other, a transformer supported by said housing, a voltage regulator supported by said end frame, said transformer and voltage regulator being located in a second portion of said compartment, conductor means connecting the A.C. input terminals of said first bridge rectifier unit with said output winding, conductor means disposed within said compartment connecting said primary winding of said transformer with said A.C. input terminals of said first bridge rectifier unit, conductor means disposed within said compartment connecting the secondary winding of said transformer with the A.C. input terminals of said second bridge rectifier unit, means disposed within said compartment connecting the positive and negative direct current output terminals of said bridge rectifier units together and to a generator output terminals, means connecting the other direct current output terminals of said bridge rectifier units respectively to other generator output terminals, and means connecting said voltage regulator with said generator such that it regulates the output voltages of said bridge rectifier unit.

Claim 8

A direct current power unit for charging a pair of series connected batteries comprising, an alternating current generator having an output winding and an end frame, a housing secured to said end frame defining a compartment therewith, first and second bridge rectifier units supported respectively by said end frame and housing and located within a first portion of said compartment in opposed substantial alignment with each other, a transformer supported by said housing, a voltage regulator supported by said end frame, said transformer and voltage regulator being located in a second portion of said compartment, conductor means connecting the A.C. input terminals of said first bridge rectifier unit with said output winding, conductor means disposed within said compartment connecting said primary winding of said transformer with said A.C. input terminals of said first bridge rectifier unit, conductor means disposed within said compartment connecting the secondary winding of said transformer with the A.C. input terminals of said second bridge rectifier unit, means disposed within said compartment connecting the positive and negative direct current output terminals of said bridge rectifier units together and to a generator output terminals, means connecting the other direct current output terminals of said bridge rectifier units respectively to other generator output terminals, and means connecting said voltage regulator with said generator such that it regulates the output voltages of said bridge rectifier unit.