Automotive quick heat system

Claim 2

An electrical power generating system for selectively supplying power to one of first and second load means, including in combination, first generator means developing a first alternating voltage at its output, second generator means developing a second alternating voltage at its output, the first load means having first, second and third terminals, said first and second terminals being connected to said outputs of said first and second generator means respectively, the second load means connected between said third terminal and a reference potential, control means coupled to said first and second generator means for determining the phases of said first and second alternating voltages, said control means being operable to a first condition causing said first and second generator means to operate in phase to substantially energize only said second load means, said control means being operable to a second condition causing said first and second generator means to operate out-of-phase to substantially energize only said first load means.

Claim 3

The electrical power generating system of claim 1 further including a voltage supply and wherein said first and second generator means are rotating field alternators respectively having field windings, said control means includes a switch means for selectively connecting said voltage supply to said field windings, said switch means being operable to said first condition to connect field voltages of the same polarity to each of said field windings thereby causing said first and second generator means to generate in phase alternating output voltages, said switch means being operable to said second condition to connect field voltages of opposite polarities to said field windings thereby causing said first and second generator means to generate out-of-phase alternating output voltages.

Claim 4

The electrical power generating system of claim 2 further including, regulator means connected by said switch means and to said first and second generator means for controlling the amplitude of said first and second alternating voltages, said switch means being connected to said regulator means such that with said switch means operated to its second condition said regulator means is disconnected from said first and second generator means thus allowing said first and second generator means to deliver an increased amount of power to said first load means.

Claim 5

The electrical power generating system of claim 1 wherein said first load means is a resistive voltage divider means comprising a resistive material which is suitable for changing electrical power into heat to be supplied to the passenger compartment of an automotive vehicle.

Claim 6

The electrical power generating system of claim 1 wherein said first and second generator means are alternators having rotating field windings which are mechanically intercoupled so that they rotate in synchronism with each other to cause said first and second alternating voltages to be phase locked.

Claim 7

An auxiliary heat generating system for supplying heat to the passenger compartment of an automotive vehicle, including in combination, first generator means having control and output terminals and developing a first alternating current voltage between said output terminals with a phase which depends on the polarity of a control voltage delivered to said control terminal, second generator means mechanically coupled to said first generator means and driven in synchronism therewith, said second generator means having control and output terminals and developing a second alternating voltage between said output terminals thereof with a phase which depends on the polarity of a control voltage delivered to said control terminal thereof, resistive heating means having one end connected to one of said output terminals of said first generator means and the other end connected to one of said outpuT terminals of said second generator means and a center tap, load means connected between said center tap and a reference potential, a control voltage supply, switching means connected to said control terminals of said first and second generator means and to said control voltage supply, said switching means being operable to a first condition whereby control voltages of the same polarity are connected from said control voltage supply to said control terminals of said first and second generator means so that said first and second alternating voltages are in phase with each other to substantially deliver power only to said load means, said switching means being operable to a second condition whereby control voltages having opposite polarities are connected from said control voltage supply to said control terminals of said first and second generator means so that said first and second alternating voltages are out-of-phase with each other to substantially deliver power only to said resistive heating means which generates heat to be supplied to the passenger compartment of the automotive vehicle.

Claim 8

An auxiliary heat generating system for supplying heat to the passenger compartment of an automotive vehicle, including in combination, first generator means having control and output terminals and developing a first alternating current voltage between said output terminals with a phase which depends on the polarity of a control voltage delivered to said control terminal, second generator means mechanically coupled to said first generator means and driven in synchronism therewith, said second generator means having control and output terminals and developing a second alternating voltage between said output terminals thereof with a phase which depends on the polarity of a control voltage delivered to said control terminal thereof, resistive heating means having one end connected to one of said output terminals of said first generator means and the other end connected to one of said outpuT terminals of said second generator means and a center tap, load means connected between said center tap and a reference potential, a control voltage supply, switching means connected to said control terminals of said first and second generator means and to said control voltage supply, said switching means being operable to a first condition whereby control voltages of the same polarity are connected from said control voltage supply to said control terminals of said first and second generator means so that said first and second alternating voltages are in phase with each other to substantially deliver power only to said load means, said switching means being operable to a second condition whereby control voltages having opposite polarities are connected from said control voltage supply to said control terminals of said first and second generator means so that said first and second alternating voltages are out-of-phase with each other to substantially deliver power only to said resistive heating means which generates heat to be supplied to the passenger compartment of the automotive vehicle.

Claim 9

The auxiliary heat generating system of claim 6 further including, regulator means normally connected by said switching means to said first and second generator means for controlling the amplitude of said first and second alternating voltages, said switching means being connected to said regulator means such that in response to being operated to said second condition said regulator means is disconnected thereby from said first and second generator means thus allowing said first and second generator means to operate in unregulated modes to deliver an increased amount of power to said resistive heating means.

Claim 10

The auxiliary heat generating system of claim 6 wherein said first and second generator means each include a rotating field alternator having a field winding, and said alternating current voltages are proportional to the voltages across said field windings, said field windings and said control voltage supply being connected in series by said switching means being operated to said first condition thereby causing alternating current voltages of a given magnitude, said field windings and said source of control voltage being connected in parallel by said switch means being operated to its second condition thereby providing said alternating current voltages of substantially greater magnitudes than said given magnitude.

Claim 11

The auxiliary heat generating system of claim 6 wherein said resistive heating means is comprised of material having a temperature coefficient.