Voltage monitoring system

Claim 2

Process of monitoring a voltage power source for a motor circuit comprising steps of a. passing a fixed portion of the monitored voltage to a solenoid coil surrounding a magnetically permeable core and developing within said core a magnetic field less than the saturation value thereof, b. increasing and decreasing the magnetic field intensity in a direction parallel to the direction from the periphery of said core to the axis thereof responsive to changes in current through said coil, c. sensing changes in magnetic field of said core at a particular small zone thereof by moving magnetically sensitive free arm ends located across a small gap space responsive to such changes while maintaining the position of the center of said gap between such arms and in said zone unchanged in position and spaced away from the axis of the core and spaced away from the ends of said core during operation of said arms, d. opening and closing an electrical circuit through the free ends oF said arms in response to changes in current through said coil, e. disconnecting power from said motor circuit in response to a changing voltage of said monitored circuit more than a predetermined amount and reconnecting power to said motor circuit in response to a voltage changed less than the predetermined amount.

Claim 3

Process of monitoring a voltage power source for a motor circuit comprising steps of a. passing a fixed portion of the monitored voltage to a solenoid coil surrounding a magnetically permeable core and developing within said core a magnetic field less than the saturation value thereof, b. increasing and decreasing the magnetic field intensity in a direction parallel to the direction from the periphery of said core to the axis thereof responsive to changes in current through said coil, c. sensing changes in magnetic field of said core at a particular small zone thereof by moving magnetically sensitive free arm ends located across a small gap space responsive to such changes while maintaining the position of the center of said gap between such arms and in said zone unchanged in position and spaced away from the axis of the core and spaced away from the ends of said core during operation of said arms, d. opening and closing an electrical circuit through the free ends oF said arms in response to changes in current through said coil, e. disconnecting power from said motor circuit in response to a changing voltage of said monitored circuit more than a predetermined amount and reconnecting power to said motor circuit in response to a voltage changed less than the predetermined amount.

Claim 4

Process of monitoring a voltage power source for a motor circuit comprising steps of a. passing a fixed portion of the monitored voltage to a solenoid coil surrounding a magnetically permeable core and developing within said core a magnetic field less than the saturation value thereof, b. increasing and decreasing the magnetic field intensity in a direction parallel to the direction from the periphery of said core to the axis thereof responsive to changes in current through said coil, c. sensing changes in magnetic field of said core at a particular small zone thereof by moving magnetically sensitive free arm ends located across a small gap space responsive to such changes while maintaining the position of the center of said gap between such arms and in said zone unchanged in position and spaced away from the axis of the core and spaced away from the ends of said core during operation of said arms, d. opening and closing an electrical circuit through the free ends oF said arms in response to changes in current through said coil, e. disconnecting power from said motor circuit in response to a changing voltage of said monitored circuit more than a predetermined amount and reconnecting power to said motor circuit in response to a voltage changed less than the predetermined amount.

Claim 5

a solenoid coil, said solenoid coil connected to the voltage source being monitored,

Claim 6

a solenoid coil, said solenoid coil connected to the voltage source being monitored,

Claim 7

a magnetic core within said coil, said core having an outer core side surface extending parallel to the length of said core and near to said core and two core end surfaces extending transverse to the core length whereby electric current passing through said coil develops a magnetic field through said core, said solenoid coil and said core having a common longitudinal axis,

Claim 8

a magnetic core within said coil, said core having an outer core side surface extending parallel to the length of said core and near to said core and two core end surfaces extending transverse to the core length whereby electric current passing through said coil develops a magnetic field through said core, said solenoid coil and said core having a common longitudinal axis,

Claim 9

Process as in claim 1 including the step of rotating said free arm ends about an axis passing through said gap and parallel to the length of said arms to adjust said response of said free arm ends to said changes in the magnetic field in said zone.

Claim 10

a magnetic core within said coil, said core having an outer core side surface extending parallel to the length of said core and near to said core and two core end surfaces extending transverse to the core length whereby electric current passing through said coil develops a magnetic field through said core, said solenoid coil and said core having a common longitudinal axis,

Claim 11

a magnetic core within said coil, said core having an outer core side surface extending parallel to the length of said core and near to said core and two core end surfaces extending transverse to the core length whereby electric current passing through said coil develops a magnetic field through said core, said solenoid coil and said core having a common longitudinal axis,

Claim 12

a reed switch comprising a riGid reed arm support and reed arms, one end of each reed arm supported on said support and its other end being a free end, the free ends of said arms being juxtaposed, and a gap space between said free ends of said reed arms, said gap having a width parallel to one of said arms and a length transverse thereto,

Claim 13

a reed switch comprising a riGid reed arm support and reed arms, one end of each reed arm supported on said support and its other end being a free end, the free ends of said arms being juxtaposed, and a gap space between said free ends of said reed arms, said gap having a width parallel to one of said arms and a length transverse thereto,

Claim 14

a reed switch comprising a rigid reed arm support and reed arms, one end of each reed arm supported on said support and its other end being a free end, the free ends of said arms being juxtaposed, and a gap space between said free ends of said reed arms, said gap having a width parallel to one of said arms and a length transverse thereto,

Claim 15

a reed switch comprising a rigid reed arm support and reed arms, one end of each reed arm supported on said support and its other end being a free end, the free ends of said arms being juxtaposed, and a gap space between said free ends of said reed arms, said gap having a width parallel to one of said arms and a length transverse thereto,

Claim 16

Process as in claim 1 including the step of moving the position of the center of said gap between said arms in a direction parallel to the axis of said core to adjust said response of said free arm ends to said changes in magnetic field intensity in said zone.

Claim 17

Process as in claim 2 including the step of moving the position of the center of said gap between said arms in the direction of a straight line passing through said gap and parallel to the direction of distance between the free ends of said arms to adjust said response of said free arm ends to changes in current through said coil.

Claim 18

means holding said reed switch with said gap space spaced away from said core in a zone exterior to and beyond one end of said core measured along said common longitudinal axis and spaced away from the projection of said axis in a direction transverse to said axis, said gap space having a width measured along the length of one of the reed arms, the maximum distance along said width being substantially smaller than the width of said core end, said core end width being measured transverse to said common longitudinal axis, the distance across said gap space length between the free ends of the reed arms being, when open, smaller than the distance from said gap space to the neighboring end of said core,

Claim 19

means holding said reed switch with said gap space spaced away from said core in a zone exterior to and beyond one end of said core measured along said common longitudinal axis and spaced away from the projection of said axis in a direction transverse to said axis, said gap space having a width measured along the length of one of the reed arms, the maximum distance along said width being substantially smaller than the width of said core end, said core end width being measured transverse to said common longitudinal axis, the distance across said gap space length between the free ends of the reed arms being, when open, smaller than the distance from said gap space to the neighboring end of said core,

Claim 20

means holding said reed switch with said gap space spaced away from said core in a zone exterior to and beyond one end of said core measured along said common longitudinal axis and spaced away from the projection of said axis in a direction transverse to said axis, said gap space having a width measured along the length of one of the reed arms, the maximum distance along said width being substantially smaller than the width of said core end, said core end width being measured transverse to said common longitudinal axis, the distance across said gap space length between the free ends of the reed arms being, when open, smaller than the distance from said gap space to the neighboring end of said core,

Claim 21

means holding said reed switch with said gap space spaced away from said core in a zone exterior to and beyond one end of said core measured along said common longitudinal axis and spaced away from the projection of said axis in a direction transverse to said axis, said gap space having a width measured along the length of one of the reed arms, the maximum distance along said width being substantially smaller than the width of said core end, said core end width being measured transverse to said common longitudinal axis, the distance across said gap space length between the free ends of the reed arms being, when open, smaller than the distance from said gap space to the neighboring end of said core,

Claim 22

the lengths of said reed switch arms lying in a first flat plane which passes through said gap space and said length in the direction of the width of said gap space, said gap space having a length extending in a second plane perpendicular to said first plane, said reed arm switch free ends being movable by magnetic flux through said gap space along the length of said width and its location relative to the common longitudinal axis of said coil and of said core end remains unchanged in position during the open and the closed position of said reed switch, said reed switch being responsive to small changes in said current passing through said coil, and wherein said gap space is located within a zone bounded laterally by a surface which is a projection of the outer surface of said core and which zone extends beyond the end of said core measured along said common longitudinal axis, and wherein, on passage of electric current through said coil, magnetic flux emanates from at least one end of said core and said gap space intersects lines of magnetic flux emanating from said core, and wherein the gap space width measured along the length of one of the reed arms is less than one-third of the width of said core end and said core is magnetically unsaturated during the entire period while said electric current passes through said coil, and (a) said gap space is located in a plane which plane includes the said common longitudinal axis of said core and coil, and (b) said first plane and said second plane intersect along a line perpendicular to said axis of said core, and including also means to move said reed switch parallel to the direction of the axis of said coil.

Claim 23

the lengths of said reed switch arms lying in a first flat plane which passes through said gap space and said length in the direction of the width of said gap space, said gap space having a length extending in a second plane perpendicular to said first plane, said reed arm switch free ends being movable by magnetic flux through said gap space along the length of said width and its location relative to the common longitudinal axis of said coil and of said core end remains unchanged in position during the open and the closed position of said reed switch, said reed switch being responsive to small changes in said current passing through said coil, and wherein said gap space is located within a zone bounded laterally by a surface which is a projection of the outer surface of said core and which zone extends beyond the end of said core measured along said common longitudinal axis, and wherein, on passage of electric current through said coil, magnetic flux emanates from at least one end of said core and said gap space intersects lines of magnetic flux emanating from said core, and wherein the gap space width measured along the length of one of the reed arms is less than one-third of the width of said core end and said core is magnetically unsaturated during the entire period while said electric current passes through said coil, and (a) said gap space is located in a plane which plane includes the said common longitudinal axis of said core and coil, and (b) said first plane and said second plane intersect along a line perpendicular to said axis of said core, and including also means to move said reed switch parallel to the direction of the axis of said coil.

Claim 24

the lengths of said reed switch arms lying in a first flat plane which passes through said gap space and said length in the direction of the width of said gap space, said gap space having a length extending in a second plane perpendicular to said first plane, said reed arm switch free ends being movable by magnetic flux through said gap space along the length of said width and its location relative to the common longitudinal axis of said coil and of said core end remains unchanged in position during the open and the closed position of said reed switch, said reed switch being responsive to small changes in said current passing through said coil, and wherein said gap space is located within a zone bounded laterally by a surface which is a projection of the outer surface of said core and which zone extends beyond the end of said core measured along said common longitudinal axis, and wherein, on passage of electric current through said coil, magnetic flux emanates from at least one end of said core and said gap space intersects lines of magnetic flux emanating from said core, and (a) said gap space is located in a plane which plane includes the said common longitudinal axis of said core and coil, and (b) said first plane and said second plane intersect along a line perpendicular to said axis of said core, and including also means to move said reed switch parallel to the direction of the axis of said coil.

Claim 25

the lengths of said reed switch arms lying in a first flat plane which passes through said gap space and said length in the direction of the width of said gap space, said gap space having a length extending in a second plane perpendicular to said first plane, said reed arm switch free ends being movable by magnetic flux through said gap space along the length of said width and its location relative to the common longitudinal axis of said coil and of said core end remains unchanged in position during the open and the closed position of said reed switch, said reed switch being responsive to small changes in said current passing through said coil, and wherein said gap space is located within a zone bounded laterally by a surface which is a projection of the outer surface of said core and which zone extends beyond the end of said core measured along said common longitudinal axis, and wherein, on passage of electric current through said coil, magnetic flux emanates from at least one end of said core and said gap space intersects lines of magnetic flux emanating from said core, and (a) said gap space is located in a plane which plane includes the said common longitudinal axis of said core and coil, and (b) said first plane and said second plane intersect along a line perpendicular to said axis of said core, and including also means to move said reed switch parallel to the direction of the axis of said coil.

Claim 26

Process as in claim 2 including the step of changing the proportion of monitored voltage applied to such coil by connecting the coil to said monitored voltage through a variable resistor and adjusting the voltage applied to said coil by varying the value of said adjustable resistor to change the response of said free arm ends to differing ranges of voltage.

Claim 27

Process as in claim 5 wherein the monitored voltage is an alternating voltage and the monitored voltage is rectified prior to passage to said solenoid coil.

Claim 28

Process as in claim 1 wherein the response of the free arm ends to a decrease in current through said coil is to open an electrical circuit through said arms when theretofore closed and the response of the free arm ends to an increase in current through said coil is to close an electrical circuit through said arms when theretofore open and the scalar amount of said decrease and the scaler amount of said increases are the same.

Claim 29

Process as in claim 6 wherein the monitored voltage is applied to said rectifier and adjustable resister and coil through a secondary coil of a transformer at a usual voltage of a 3 volt band width in range of 110 to 120 volts and the open circuit through the free ends of said arms is closed and the closed circuit through said open circuit is opened on a change of 5 plus or minus 1/2 volt through said secondary coil.

Claim 30

Process as in claim 1 wherein said solenoid is in series with a condenser and a resistor connected in parallel and said opening and closing of an electrical circuit occurs between said solenoid coil and said condenser, and a rectifying step is performed between said parallel connected resistor and condenser and said coil and said passing of a fixed portion of monitored voltage to said coil charges said condenser; and, on said opening of said circuit through said free ends of said arms, passing current through said coil from said condenser in the same direction as current passed through said core when charging said condenser and opening and closing another circuit in response to the current in said coil; and disconnecting and connecting said source of power and said motor circuit in response to change in current in said another circuit.

Claim 31

In an electrical assembly for monitoring a source of voltage connected by switching means to a voltage sensitive electrically powered apparatus a. a voltage sensing assembly connected to said source of voltage, b. a first time delay relay connected to and actuated by the voltage sensing assembly and connected to means to disconnect the apparatus from said voltage source, and c. a second time delay comprising means to reconnect said apparatus to said voltage source. said voltage sensing assembly comprising

Claim 32

In an electrical assembly for monitoring a source of voltage connected by switching means to a voltage sensitive electrically powered apparatus a. a voltage sensing assembly connected to said source of voltage, b. a first time delay relay connected to and actuated by the voltage sensing assembly and connected to means to disconnect the apparatus from said voltage source, and c. a second time delay comprising means to reconnect said apparatus to said voltage source. said voltage sensing assembly comprising

Claim 33

In an electrical assembly for monitoring a source of voltage connected by switching means to a voltage sensitive elecrically powered apparatus a. a voltage sensing assembly connected to said source of voltage, b. a first time delay relay connected to and actuated by the voltage sensing assembly and connected to means to disconnect the apparatus from said voltage source, and c. a second time delay relay comprising means to reconnect said apparatus to said voltage source said voltage sensing assembly comprising 1 a solenoid coil, said solenoid coil connected to the voltage source being monitored,

Claim 34

In an electrical assembly for monitoring a source of voltage connected by switching means to a voltage sensitive elecrically powered apparatus a. a voltage sensing assembly connected to said source of voltage, b. a first time delay relay connected to and actuated by the voltage sensing assembly and connected to means to disconnect the apparatus from said voltage source, and c. a second time delay relay comprising means to reconnect said apparatus to said voltage source said voltage sensing assembly comprising 1 a solenoid coil, said solenoid coil connected to the voltage source being monitored,

Claim 35

Apparatus as in claim 11 including means to rotate said reed switch along the line of intersection of said first and said second planes while the spatial relation of said line of intersection to the longitudinal axis of said core is unchanged.