1. A wireless power transfer system comprising:
a power transmitter configured to wirelessly transfer alternating-current power components of different frequencies simultaneously, the different frequencies including at least a first frequency and a second frequency, and
a power receiver having a rectifier circuit configured to convert the alternating-current power components to a direct-current power component,
wherein the first frequency is 0.5 MHz to 10 GHz, and the second frequency is 10 Hz to 300 kHz lower than the first frequency.
2. The wireless power transfer system according to claim 1, wherein the power transmitter is configured to generate a mixed wave by superimposing the alternating-current power components of the first frequency and the second frequency and supply the mixed wave as an electric power to the power receiver.
3. The wireless power transfer system according to claim 1, wherein power levels of the first frequency power component and the second frequency power component are equal to each other.
4. The wireless power transfer system according to claim 1,
wherein the power transmitter has a power transmitting electrode, the power receiver has a power receiving electrode, and a dielectric substance exists between the power transmitting electrode and the power receiving electrode, and
wherein an electric power is transferred making use of electric field coupling.
5. The wireless power transfer system according to claim 1,
wherein the power transmitter has a power transmitting coil, and the power receiver has a power receiving coil, and
wherein an electric power is transferred making use of electromagnetic induction or magnetic field resonance.
6. The wireless power transfer system according to claim 1,
wherein at least one of the power transmitter and the power receiver has a resonant circuit power component and a second frequency power component
7. A wireless power transmitter comprising:
a waveform generator configured to generate an alternating current electric power of a mixed wave containing at least two different frequencies; and
a wireless power transmitting terminal configured to wirelessly transmit the alternating current electric power of the mixed wave,
wherein the waveform generator has
a first frequency power generator configured to produce a first alternating current power,
a second frequency power generator configured to produce a second frequency alternating current power, the second frequency being different from the first frequency, and
a mixer configured to combine the first frequency alternating power and the second frequency alternating power and produce a mixed wave, and
wherein the first frequency is 0.5 MHz to 10 GHz, and the second frequency is 10 Hz to 300 kHz lower than the first frequency.
8. A wireless power transfer method comprising:
at a power transmitter, generating a mixed wave containing at least a first alternating current power component of a first frequency and a second alternating current component of a second frequency;
wirelessly transferring the mixed wave from the power transmitter to a power receiver; and
at the power receiver, rectifying the mixed wave to acquire a direct current electric power,
wherein the first frequency is 0.5 MHz to 10 GHz, and the second frequency is 10 Hz to 300 kHz lower than the first frequency.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A tool holder for a scarifying milling machine comprising:
a body portion dimensioned to fit closely within a slot formed within a flight block;
a head portion positioned at a distal end of the body portion and having a recess formed therein to receive a cutting tool and hold the cutting tool in a rotationally forward orientation;
a flange positioned adjacent the head portion and extending from the body portion in a rotationally forward direction, the flange being asymmetrically angled away from the recess and angled to one side of the tool holder to deflect debris away preferentially to said one side of the tool holder.
2. The tool holder of claim 1 wherein, the flange is a generally rectangular body including a top surface with a right edge and a left edge.
3. The tool holder of claim 2 wherein, the right edge of the top surface has a first obtuse angle relative to a front side of the tool holder that is greater than a second obtuse angle of the left edge of the top surface.
4. The tool holder of claim 1 wherein, the head portion includes a threaded bore extending from the recess to an outer surface of the head portion, and a threaded set screw positioned within the threaded bore and adapted to selectively engage a cutting tool positioned within the recess to secure the cutting tool therein.
5. The tool holder of claim 1 wherein, the recess formed within the head portion is oriented at an angle relative to a longitudinal axis of the tool holder, such that the cutting tool is presented in a rotationally forward orientation.
6. A tool holder for a scarifying milling machine comprising:
a body portion dimensioned to fit closely within a slot formed within a flight block;
a head portion positioned at a distal end of the body portion and having a recess formed therein to receive a cutting tool and hold the cutting tool in a rotationally forward orientation, the head portion including a threaded bore extending from the recess to an outer surface of the head portion, a threaded set screw being positioned within the threaded bore and adapted to selectively engage a cutting tool positioned within the recess to secure the cutting tool therein, and
a flange being a generally rectangular body positioned adjacent the head portion on a front side of the tool holder and extending from the body portion in a rotationally forward direction, the flange having a similar width to that of the front side of the tool holder, the flange being asymmetrically angled away from the cutting tool recess and angled to one side of the tool holder to facilitate deflection of debris away preferentially to said one side of the tool holder.
7. A tool holder and cutting tool for a scarifying milling machine comprising:
said tool holder having a body portion dimensioned to fit closely within a slot formed within a flight block; a head portion positioned at a distal end of the body portion and having a recess formed therein to receive said cutting tool and hold the cutting tool in a rotationally forward orientation; and a flange positioned adjacent the head portion and extending from the body portion in a rotationally forward direction, the flange of the tool holder being asymmetrically angled away from the recess and angled to one side of the tool holder to deflect debris away preferentially to said one side of the tool holder; and
the cutting tool having a cutting tip with a flange extending circumferentially therearound and a post extending axially from the cutting tip, the post including a distal end having a lip extending radially therefrom and extending circumferentially therearound, a collar being positioned around the post between the lip and the flange of the cutting tool, wherein the cutting tool is held within the tool holder by frictional contact between the collar and an inner diameter for the recess.
8. The tool holder and cutting tool of claim 7 wherein, the flange of the tool holder is a generally rectangular body including a top surface with a right edge and a left edge.
9. The tool holder and cutting tool of claim 8 wherein, the right edge of the top surface has a first obtuse angle relative to a front side of the tool holder that is greater than a second obtuse angle of the left edge of the top surface.
10. The tool holder and cutting tool of claim 7 wherein, the head portion includes a threaded bore extending from the recess to an outer surface of the head portion, and a threaded set screw positioned within the threaded bore and adapted to selectively engage the collar of the cutting tool positioned within the recess to secure the cutting tool therein.
11. The tool holder and cutting tool of claim 7 wherein, the recess formed within the head portion of the tool holder is oriented at an angle relative to a longitudinal axis of the tool holder, such that the cutting tool is presented in a rotationally forward orientation.
12. The tool holder and cutting tool of claim 7 wherein, the cutting tool is rotationally moveable within the collar such that as the cutting tip of the cutting tool wears, the cutting tool rotates within the tool holder.
13. A tool holder and cutting tool for a scarifying, milling or mining machine comprising:
said tool holder having a body portion dimensioned to be secured to a rotatable drum, a head portion positioned at a distal end of the body portion and having a recess formed therein to receive said cutting tool and hold the cutting tool in a rotationally forward orientation relative to the drum; a flange positioned adjacent the head portion and extending from the body portion in a rotationally forward direction, the flange of the tool holder being asymmetrically angled away from the recess and angled to one side of the tool holder to deflect debris away preferentially to said one side of the tool holder; and a threaded opening extending between the recess and an outer surface of the tool holder;
the cutting tool having a cutting tip with a flange extending circumferentially therearound and a post extending axially from the cutting tip, the post including a distal end, a collar being positioned around the post distally from the flange of the cutting tool, the collar outer dimension being selected to hold the cutting tool within the tool holder by frictional contact between the collar and an inner diameter for the recess; and
a screw and collar contact element received in the threaded opening, the screw being adjustable relative to the threaded opening to force the contact element into engagement with the collar to inhibit rotation of the collar relative to the tool holder recess.
14. The tool holder and cutting tool of claim 13 wherein, the flange of the tool holder is a generally rectangular body including a top surface with a right edge and a left edge.
15. The tool holder and cutting tool of claim 14 wherein, the right edge of the top surface has a first obtuse angle relative to a front side of the tool holder that is greater than a second obtuse angle of the left edge of the top surface.
16. The tool holder and cutting tool of claim 13 wherein, the distal end of the cutting tool post includes a lip extending radially therefrom and extending circumferentially therearound, the lip contacting a distal edge of the collar surrounding the cutting tool post.
17. The tool holder and cutting tool of claim 13 wherein, the collar contact element includes a biasing element for maintaining a force on the collar even in the event the collar collapses radially inward within the recess.
18. The tool holder and cutting tool of claim 17 wherein, the biasing element is a spring located between the collar contact element and said screw.