Electrical connector arrangement for air conditioner electrostatic filter

Claim 2

In combination with an air conditioning unit an electrical connector assembly for connecting an air electrostatic air cleaner add-on kit selectively with either a 115 volt air conditioner unit or a 230 volt air conditioner unit, said electrostatic air cleaner including a power pack with a step-up alternating current transformer having a primary winding with a center tap, said transformer having a secondary winding the end terminals of which are connected to said electrostatic air cleaner, a three-pin plug and three conductor cord structure defining means for connecting said cord conductors to said primary winding, said plug having its first pin connected to one end terminal of said primary winding and its second pin connected to the other end terminal of said primary winding, said plug having its third pin connected to said primary winding center tap, a first socket electrically connected in the 115 volt air conditioner, said first socket being provided with three recesses for receiving respectively the three pins of said three-pin plug; said first socket having a first pair of recess receiving corresponding pins of said plug, the first pair of recesses each provided with a connector sleeve contact into which said corresponding pins are pressed, said first pair of recesses having sleeve contacts connected to either side of a 115 volt power supply, the remaining plug pin being received in the remaining recess of said first socket in an insulated manner whereby 115 volts is applied across one-half of said primary winding, a second socket electrically connected in the 230 volt room air conditioner, said second socket being provided with three recesses for receiving respectively the three pins of said plug; said second socket having a second pair of recesses receiving corresponding pins of said plug, the second pair of recesses each provided with a conductive sleeve contact into which said corresponding pins are pressed, said second pair of recesses having sleeve contacts connected to either side of a 230 volt power supply, said remaining plug pin being received in the remaining recess of said second socket in an insulated manner whereby 230 volts is applied across both halves of said primary winding, whereby a single electrostatic air-cleaner kit may be used selectively with an air conditioner supplied with either 115 volts or 230 volts of electrical power.

Claim 3

In combination with a room air conditioning unit an electrical connector assembly for connecting an air electrostatic air cleaner add-on kit selectively in the discharge duct of either a 115 volt room air conditioner unit or a 230 volt room air conditioner unit, said electrostatic air cleaner including a power pack with a step-up alternating current transformer having a primary winding with a center tap, said transformer having a secondary winding the end terminals of which are connected to said electrostatic air cleaner, a three-pin plug and three conductor cord structure defining means for connecting said cord conductor to said primary winding, said plug having its first pin connecTed to one end terminal of said primary winding and its second pair connected to the other end terminal of said primary winding, said plug having its third pin connected to said primary winding center tap, a first socket electrically connected in the 115 volt room air conditioner, said first socket being provided with first, second and third recesses for receiving respectively the first, second and third pins of said three-pin plug; said first socket having its first recess receiving said first pin and its third recess receiving said third pin, said first and third recesses of said first socket provided with a connector sleeve contact into which said first and third pins are pressed, said first and third sleeve contacts connected via a selector switch to each side of a 115 volt power supply, said second pin being positioned in the second recess of said first socket in an insulated manner whereby 115 volts is applied across one-half of said primary winding, a second socket electrically connected in the 230 volt room air conditioner, said second socket being provided with first, second and third recesses for receiving respectively the first, second and third pins of said plug; said second socket having its first and second recesses receiving said first and second pins, said first and second recesses of said second socket provided with conductive sleeve contacts into which said first and second pins are pressed, said first and second recess sleeve contacts connected via a selector switch to either side of a 230 volt power supply, said third pin being positioned in the third recess of said second socket in an insulated manner whereby 230 volts is impressed across both halves of said primary winding, whereby a single electrostatic air-cleaner kit may be used selectively with a room air conditioner supplied with either 115 volts or 230 volts of electrical power such that the power pack supplies a substantially equivalent direct current output to the electrostatic air cleaner.

Claim 4

In combination with a room air conditioning unit an electrical connector assembly for connecting an air electrostatic air cleaner add-on kit selectively in the discharge duct of either a 115 volt room air conditioner unit or a 230 volt room air conditioner unit, said electrostatic air cleaner including a power pack with a step-up alternating current transformer having a primary winding with a center tap, said transformer having a secondary winding the end terminals of which are connected to said electrostatic air cleaner, a three-pin plug and three conductor cord structure defining means for connecting said cord conductor to said primary winding, said plug having its first pin connecTed to one end terminal of said primary winding and its second pair connected to the other end terminal of said primary winding, said plug having its third pin connected to said primary winding center tap, a first socket electrically connected in the 115 volt room air conditioner, said first socket being provided with first, second and third recesses for receiving respectively the first, second and third pins of said three-pin plug; said first socket having its first recess receiving said first pin and its third recess receiving said third pin, said first and third recesses of said first socket provided with a connector sleeve contact into which said first and third pins are pressed, said first and third sleeve contacts connected via a selector switch to each side of a 115 volt power supply, said second pin being positioned in the second recess of said first socket in an insulated manner whereby 115 volts is applied across one-half of said primary winding, a second socket electrically connected in the 230 volt room air conditioner, said second socket being provided with first, second and third recesses for receiving respectively the first, second and third pins of said plug; said second socket having its first and second recesses receiving said first and second pins, said first and second recesses of said second socket provided with conductive sleeve contacts into which said first and second pins are pressed, said first and second recess sleeve contacts connected via a selector switch to either side of a 230 volt power supply, said third pin being positioned in the third recess of said second socket in an insulated manner whereby 230 volts is impressed across both halves of said primary winding, whereby a single electrostatic air-cleaner kit may be used selectively with a room air conditioner supplied with either 115 volts or 230 volts of electrical power such that the power pack supplies a substantially equivalent direct current output to the electrostatic air cleaner.

Claim 5

The combination of claim 2 wherein the direct current output supplied to the electrostatic air cleaner is in the range of about 5,300 volts to 5,500 volts.