1. A control device configured for use with an engine of a power equipment apparatus, the control device comprising:
a base;
a first knob positioned adjacent to the base and rotatable about an axis with respect to the base while being substantially restrained from axial movement along the axis with respect to the base, wherein the first knob comprises an aperture surrounding and extending along the axis to define a passageway extending through the first knob, and the first knob is configured to selectively facilitate the flow of fuel to an engine; and
a second knob having an end portion slidingly received within the aperture of the first knob such that the second knob is axially movable along the axis with respect to the base and the first knob, wherein the second knob is operable to selectively facilitate choking of the engine.
2. The control device of claim 1 wherein the first knob is rotatable between a first position and a second position, the control device is configured to prohibit the flow of fuel to an engine when the first knob is in the first position, and the control device is configured to facilitate the flow of fuel from a first fuel source to an engine when the first knob is in the second position.
3. The control device of claim 2 wherein the first knob is additionally rotatable to a third position, and the control device is configured to facilitate the flow of fuel from a second fuel source to an engine when the first knob is in the third position.
4. The control device of claim 2 wherein the base cooperates with the first knob to selectively define a conduit to facilitate the flow of fuel to an engine.
5. The control device of claim 2 further comprising a flexible cable attached to the end portion of the second knob.
6. The control device of claim 3 wherein the base cooperates with the first knob to selectively define a conduit to facilitate the flow of fuel to an engine.
7. The control device of claim 3 further comprising a flexible cable attached to the end portion of the second knob.
8. The control device of claim 1 wherein the first knob comprises a first grip portion having a first outer diameter, the second knob comprises a second grip portion having a second outer diameter, and the first outer diameter is larger than the second outer diameter.
9. A power equipment apparatus comprising:
an engine;
a fuel tank; and
a control device comprising a base, a first knob, and a second knob, wherein the first knob is positioned adjacent to the base and is rotatable about an axis with respect to the base while being substantially restrained from axial movement along the axis with respect to the base, and wherein the first knob comprises an aperture surrounding and extending along the axis to define a passageway extending through the first knob, the second knob has an end portion slidingly received within the aperture of the first knob such that the second knob is axially movable along the axis with respect to the base and the first knob, and the control device is coupled with each of the fuel tank and the engine such that the first knob is configured to selectively facilitate the flow of fuel from the fuel tank to the engine and such that the second knob is operable to selectively facilitate choking of the engine.
10. The power equipment apparatus of claim 9 wherein the first knob is rotatable between a first position and a second position, the control device is configured to prohibit the flow of fuel from the fuel tank to the engine when the first knob is in the first position, and the control device is configured to facilitate the flow of fuel from the fuel tank to the engine when the first knob is in the second position.
11. The power equipment apparatus of claim 10 wherein the fuel tank has a reserve portion and the first knob is additionally rotatable to a third position, and the control device is configured to facilitate the flow of fuel from the reserve portion of the fuel tank to the engine when the first knob is in the third position.
12. The power equipment apparatus of claim 10 wherein the base cooperates with the first knob to selectively define a conduit to facilitate the flow of fuel to an engine.
13. The power equipment apparatus of claim 10 further comprising a flexible cable attached to the end portion of the second knob.
14. A saddle-type vehicle comprising:
a frame;
a seat supported with respect to the frame and configured to support an operator in use of the saddle-type vehicle;
a handlebar supported with respect to the frame and configured to facilitate steering of the saddle-type vehicle by an operator; and
a control device supported with respect to the frame and comprising a base, a first knob, and a second knob, wherein the first knob is positioned adjacent to the base and is rotatable about an axis with respect to the base while being substantially restrained from axial movement along the axis with respect to the base, the first knob comprises an aperture surrounding and extending along the axis to define a passageway extending through the first knob, and the second knob has an end portion slidingly received within the aperture of the first knob such that the second knob is axially movable along the axis with respect to the base and the first knob.
15. The saddle-type vehicle of claim 14 further comprising a fuel tank and an engine, wherein the control device is coupled with each of the fuel tank and the engine such that the first knob is configured to selectively facilitate the flow of fuel from the fuel tank to the engine, and such that the second knob is operable to selectively facilitate choking of the engine.
16. The saddle-type vehicle of claim 15 wherein the first knob is rotatable between a first position and a second position, the control device is configured to prohibit the flow of fuel from the fuel tank to the engine when the first knob is in the first position, and the control device is configured to facilitate the flow of fuel from the fuel tank to the engine when the first knob is in the second position.
17. The saddle-type vehicle of claim 14 comprising an all terrain vehicle.
18. The saddle-type vehicle of claim 16 wherein the base cooperates with the first knob to selectively define a conduit to facilitate the flow of fuel to an engine.
19. The saddle-type vehicle of claim 16 further comprising a flexible cable attached to the end portion of the second knob.
20. The saddle-type vehicle of claim 16 wherein the fuel tank has a reserve portion and the first knob is additionally rotatable to a third position, and the control device is configured to facilitate the flow of fuel from the reserve portion of the fuel tank to the engine when the first knob is in the third position.
21. The saddle-type vehicle of claim 20 further comprising:
a first body panel; and
a second body panel; wherein
the fuel tank is disposed beneath the first body panel;
the control device protrudes beyond the second body panel; and
the saddle-type vehicle comprises an all terrain vehicle.
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 testing apparatus for testing material integrity of an object, the testing apparatus comprising:
a phased array transducer disposed external to the object, wherein the phased array transducer is configured to transmit a first set of ultrasonic signals and to receive a second set of ultrasonic signals; and
logic circuitry coupled to the phased array transducer and configured to dynamically control apertures for transmitting the first set of ultrasonic signals and receiving the second set of ultrasonic signals based on a region of interest and a testing speed.
2. The testing apparatus as recited in claim 1, wherein the object is configured to travel at high speeds to test material integrity of object.
3. The testing apparatus as recited in claim 1, wherein a longitudinal axis of the phased array transducer is parallel to a longitudinal axis of the object.
4. The testing apparatus as recited in claim 1, wherein a longitudinal axis of the phased array transducer is at an angle to a longitudinal axis of the object.
5. The testing apparatus as recited in claim 1, wherein the phased array transducer is configured to test material integrity using longitudinal ultrasonic signals or shear ultrasonic signals.
6. The testing apparatus as recited in claim 1, wherein the phased array transducer is configured to modify an angle of transmission of the first set of ultrasonic signals and an angle of reception of the second set of ultrasonic signals.
7. The testing apparatus as recited in claim 1, wherein the phased array transducer is configured to modify a focal depth of the first and second sets of ultrasonic signals.
8. The testing apparatus as recited in claim 1, further comprising processing circuitry configured to provide signals that are indicative of a defect in the object in response to communications from the phased array transducer.
9. A method for testing material integrity of an object, the method comprising:
controlling a first aperture dynamically to transmit a first set of ultrasonic signals;
transmitting the first set of ultrasonic signals towards a region of interest via the first aperture;
controlling a second aperture dynamically to receive a second set of ultrasonic signals; and
receiving the second set of ultrasonic signals from the region of interest via a second aperture based on the region of interest and a testing speed.
10. The method as recited in claim 9, further comprising dynamically focusing a plurality of ultrasonic signals towards the region of interest at a plurality of angles.
11. The method as recited in claim 9, further comprising dynamically focusing a plurality of ultrasonic signals towards the region of interest at a plurality of depths.
12. The method as recited in claim 9, further comprising adding the second set of ultrasonic signals to generate a signal indicative of defect in the object.
13. A testing apparatus for detecting defects in a rail, the testing apparatus comprising:
means for dynamically controlling a first aperture for transmitting a first set of ultrasonic signals towards the rail;
means for transmitting the first set of ultrasonic signals into the rail;
means for dynamically controlling a second aperture for receiving a second set of ultrasonic signals from the rail; and
means for receiving the second set of ultrasonic signals from the rail in response to the first set of ultrasonic signals based on the region of interest and a testing speed.