Author: claimsbot

1. A fuel cell vehicle comprising:
a fuel cell stack;
a fuel cell casing storing the fuel cell stack therein; and
a boost converter arranged forward of the fuel cell casing in the vehicle, the boost converter outputting electric power by increasing output voltage of the fuel cell stack,
wherein a protection bar is arranged between the fuel cell casing and the boost converter in a left-right direction of the vehicle, and
wherein a first fastening part, which is a part of the fuel cell casing, and a second fastening part, which is a part of the boost converter, are fastened and fixed to each other, with one being vertically superimposed on the other, in a space above or below the protection bar.
2. The fuel cell vehicle according to claim 1, wherein the first fastening part and the second fastening part are fastened and fixed to each other, with one being superimposed on the other, so that the first fastening part is below the second fastening part.
3. The fuel cell vehicle according to claim 2, wherein:
the first fastening part has a raised part that protrudes toward the boost converter;
the second fastening part has a recessed part that retracts in a direction opposite to the fuel cell casing; and
the first fastening part and the second fastening part are fastened and fixed to each other with the raised part and the recessed part being engaged with each other.
4. The fuel cell vehicle according to claim 3, wherein the raised part is formed such that a length thereof in the left-right direction of the vehicle gradually increases from top down of the vehicle.
5. The fuel cell vehicle according to claim 3, wherein the raised part has an internal space formed therein.
6. The fuel cell vehicle according to claim 5, wherein a part of a bus bar for extracting electric power from the fuel cell stack is arranged in the internal space.
7. The fuel cell vehicle according to claim 5, wherein a control unit for controlling the fuel cell stack is arranged in the internal space.
8. The fuel cell vehicle according to claim 4, wherein the raised part has an internal space formed therein.
9. The fuel cell vehicle according to claim 8, wherein a part of a bus bar for extracting electric power from the fuel cell stack is arranged in the internal space.
10. The fuel cell vehicle according to claim 8, wherein a control unit for controlling the fuel cell stack is arranged in the internal space.

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 toothbrush comprising
an electric motor including a drive shaft, wherein, when the electric motor is caused to operate, the drive shaft continuously rotates until the motor is caused to stop;
a brush shaft; and
a drive assembly consisting of a bar linkage coupled between the drive shaft and the brush shaft, the bar linkage comprising
a coupler having a first end operably coupled to the brush shaft and a second end;
an eccentric pin rotationally received within the second end of the coupler, the eccentric pin having a rearward end shaft axially aligned with an axis of the drive shaft and a mid-portion axially offset from the axis of the drive shaft, wherein

the rotation of the drive shaft causes the eccentric pin to rotate within the second end; and
the rotation of the eccentric pin causes the coupler to oscillate to convert the rotation of the drive shaft into oscillation of a toothbrush head supported on an end of the brush shaft.
2. The toothbrush of claim 1, wherein the bar linkage-further comprises a crank arm interconnected between the drive shaft and the coupler.
3. The toothbrush of claim 2, wherein the crank arm is fixedly connected to the drive shaft on a first side and fixedly connected to the rearward end shaft of the eccentric pin on a second side opposite the first side.
4. The toothbrush of claim 2, wherein the crank arm further comprises an additional weight component to alter a center of mass of the bar linkage and impart a balance or an imbalance to the bar linkage.
5. The toothbrush of claim 1, wherein the bar linkage further comprises a rocker arm pivotably interconnected between the coupler and the brush shaft.
6. The toothbrush of claim 5, wherein the rocker arm pivotably connects to the coupler at a first axis of rotation and the brush shaft pivotably connects to the coupler at a second axis of rotation.
7. The toothbrush of claim 5, wherein the rocker arm further comprises an additional weight component to alter a center of mass of the bar linkage and impart a balance or an imbalance to the bar linkage.
8. The toothbrush of claim 1, wherein the bar linkage further comprises
a crank arm interconnected between the drive shaft and the coupler;
a rocker arm interconnected between the coupler and the brush shaft; and
one or more additional weight components attached to either the crank arm or the rocker arm, or both, to alter a center of mass of the drive assembly and impart a balance or imbalance to the drive assembly.
9. The toothbrush of claim 1 further comprising
a handle portion housing the electric motor; and
a power source housed within the handle portion and electrically connected with the electric motor.
10. The toothbrush of claim 1 further comprising a bracket to which the electric motor is attached and to which the brush shaft is rotationally mounted.
11. The toothbrush of claim 1, wherein the electric motor continuously rotates at a speed of between 12,000 rpm and 18,000 rpm.
12. A toothbrush providing oscillating bristle motion comprising
a continuously rotating drive system including a output shaft;
a brush shaft; and
a bar linkage between the drive system and the brush shaft, the bar linkage comprising
a coupler having a first end operably coupled to the brush shaft and a second end;
an eccentric pin rotationally received within the second end of the coupler, the eccentric pin having a rearward shaft axially aligned with the output shaft of the drive system and a mid-portion axially offset from output shaft of the drive system, wherein

the rotation of the output shaft causes the eccentric pin to rotate within the second end; and
the rotation of the eccentric pin causes the coupler to provide oscillating, sonic speed output motion to the brush shaft.
13. The toothbrush of claim 12, wherein the linkage further comprises one or more removable mass components that may be removed and replaced with other removable mass components of differing mass to alter a center of mass of the linkage and impart a balance or an imbalance to the linkage.
14. The toothbrush of claim 12, wherein the output shaft of the drive system is axially offset from an axis of the brush shaft.
15. The toothbrush of claim 12, wherein the bar linkage further comprises a cam that causes a portion of the bar linkage to revolve about the output shaft of the drive system.
16. The toothbrush of claim 12, wherein the oscillating motion of the brush shaft is between 200 and 300 cycles per second.
17. A method of designing a toothbrush having a continuously rotating drive system, a brush shaft, and a linkage between the drive system and the brush shaft, the method comprising
performing a finite element analysis on the linkage; and
determining a weight distribution in the linkage based upon the finite element analysis to position a center of mass of the linkage and impart a balance or a selected imbalance to the linkage.
18. The method of claim 17 further comprising adjusting one or more replaceable weights within the linkage to alter the center of mass or alter the selected imbalance.

1. A method for controlling entry of fluid into a wellbore from a subsurface formation, comprising:
detecting an increase in volume of drilling fluid stored in a supplyreturn tank;
determining whether a rate of fluid entry into the wellbore is slowing;
switching control of discharge of fluid from the wellbore from maintaining a selected wellbore pressure to controlling a rate of discharge of fluid from the wellbore to be substantially constant while reducing the wellbore pressure and while the fluid entry rate is slowing; and
returning control of discharge of fluid from the wellbore from controlling a rate of discharge of fluid from the wellbore to maintaining the selected wellbore pressure when fluid entering the wellbore is at an acceptable level.
2. The method of claim 1 wherein the controlling wellbore pressure and controlling rate of fluid entry comprises operating a variable orifice choke in a discharge line from the wellbore.
3. The method of claim 1 wherein the determining slowing comprises detecting at least one of constant volume and decreasing volume of drilling fluid stored in the supplyreturn tank.
4. The method of claim 1 wherein the returning control is performed when a variable orifice choke is substantially completely opened.
5. The method of claim 1 wherein the fluid comprises hydrocarbon.
6. A method, comprising:
measuring either (i) a level of fluid in a drilling fluid storage tank while pumping the drilling fluid into a wellbore from the tank and returning fluid from the wellbore into the tank or (ii) a rate of flow of fluid returning from the wellbore;
determining a rate at which fluid enters the wellbore by determining a change in either (i) the fluid level or (ii) the measured rate of flow of fluid returning from the wellbore;
switching control of discharged fluid returning from the wellbore to be substantially constant while reducing wellbore pressure when the determined rate is slowing; and
switching control of discharged fluid returning from the wellbore to maintain a selected wellbore fluid pressure when a formation causing the entry of fluid into the wellbore becomes depleted.
7. The method of claim 6 wherein the control of fluid returning from the wellbore comprises operating a variable orifice choke in a discharge line from the wellbore.
8. The method of claim 6 further comprising measuring a flow rate of fluid into the wellbore.
9. The method of claim 8 wherein the measuring the flow rate of fluid into the wellbore and returning from the wellbore comprises detecting at least one of constant volume and decreasing volume of fluid stored in a supplyreturn tank.
10. The method of claim 6 wherein switching control to maintain a selected wellbore pressure is performed when a variable orifice choke is substantially completely opened.
11. An apparatus, comprising:
a fluid level sensor functionally coupled to a fluid storage tank;
a flow rate sensor functionally coupled to a pump, the pump functionally coupled at an intake to the fluid storage tank and at an outlet to a conduit disposed in a wellbore;
a pressure sensor functionally coupled to a fluid outlet from the wellbore;
a controllable flow restriction disposed in the fluid outlet; and
a controller in signal communication with the fluid level sensor, the flow rate sensor and the pressure sensor, the controller having instructions programmed therein to cause operation of the controllable flow restriction to: (i) maintain a substantially constant fluid level in the tank while reducing pressure in the fluid outlet after detection of an increase in the level thereof and subsequent slowing of a rate of the increase; and (ii) maintaining a substantially constant pressure in the fluid outlet when the rate of increase drops below a selected amount.
12. The apparatus of claim 11 further comprising a flow meter functionally coupled to the outlet of the pump, and wherein the controller comprises instructions to cause the operation of the controllable flow restriction in response to a difference between a measured fluid low rate into the wellbore and a measured fluid flow returning from the wellbore.
13. The apparatus of claim 11 wherein the controllable flow restriction comprises an adjustable orifice choke.
14. The apparatus of claim 11 wherein the conduit comprises a drill pipe.
15. The apparatus of claim 11 further comprising a rotating control head disposed at a top of the wellbore, the rotating control head sealing an annular space between the wellbore and the conduit therein, the rotating control head having a fluid outlet in fluid communication with the annular space and in fluid communication with the fluid outlet.

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 client for providing customized audiovideo (AV) and animation programming over a network, the client comprising:
content processing logic configured to:
allow a user to specify a content portal page;
transmit the content portal page to a server;
receive a personalized program from the server, wherein the personalized program is created based on the content portal page, the personalized program including one or more content files selected from a plurality of content files, each of the plurality of content files including AV andor animation data; and
execute the personalized program for consumption by the user;

wherein the personalized program is executed such that the one or more content files included in the personalized program are shown to the user in a continuous manner.
2. The client of claim 1 wherein the content portal page includes a plurality of criteria;
wherein each of the plurality of content files includes meta data; and
wherein the meta data associated with the plurality of content files are checked against the plurality of criteria to determine the one or more content files included in the personalized program.
3. The client of claim 2 wherein the personalized program is created based on the respective meta data associated with the one or more content files.
4. The client of claim 2 wherein execution of the personalized program is dynamic and is based on one or more factors.
5. The client of claim 4 wherein the one or more factors include time.
6. The client of claim 4 wherein the one or more factors include location of the client.
7. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes rating meta data.
8. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes summary meta data.
9. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes content length meta data.
10. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes summary audio meta data.
11. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes time meta data.
12. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes location meta data.
13. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes advertising meta data.
14. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes e-commerce meta data.
15. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes language meta data.
16. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes effect meta data.
17. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes content type meta data.
18. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes DRM (digital rights management) meta data.
19. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes statistical report meta data.
20. The client of claim 2 wherein the meta data associated with at least one of the plurality of content files includes feedback meta data.
21. The client of claim I wherein the client includes one of a mobile device and a personal computer.
22. A client for providing customized audiovideo (AV) and animation programming over a network, the client comprising:
content processing logic configured to:
allow a user to specify a content portal page;
transmit the content portal page to a server;
receive one or more content files from the server, the one or more content files selected from a plurality of content files based on the content portal page, each of the plurality of content files including AV andor animation data;
merge the one or more content files to create a personalized program based on the content portal page; and
execute the personalized program for consumption by the user;

wherein the personalized program is executed such that the one or more content files are shown to the user in a continuous manner.
23. The client of claim 22 wherein the content portal page includes a plurality of criteria;
wherein each of the plurality of content files includes meta data; and
wherein the meta data associated with the plurality of content files are checked against the plurality of criteria to determine the one or more content files.
24. The client of claim 23 wherein the content processing logic is further configured to create the personalized program based on the respective meta data associated with the one or more content files.
25. The client of claim 22 wherein execution of the personalized program is dynamic and is based on one or more factors.
26. The client of claim 25 wherein the one or more factors include time.
27. The client of claim 25 wherein the one or more factors include location of the client.
28. The client of claim 22 wherein the client includes one of a mobile device and a personal computer.