All The Claims

1. An optical device, in particular for an automotive vehicle, such as a lighting or signaling device, comprising:
at least one light source; and
at least one light guide designed to guide at least some of the light emitted by said at least one light source, said at least one light guide comprising at least one output face and at least one reflection face designed to reflect, towards said at least one output face, light being propagated in said at least one light guide;
wherein said at least one light guide exhibits a cylindrical sheet form.
2. The optical device according to claim 1, wherein said at least one output face is contained in a three dimensional surface, in particular different from a sphere.
3. The optical device according to claim 1, wherein said at least one output face is designed to diffuse the light leaving said at least one output face, in particular using flutes on said at least one output face.
4. The optical device according to claim 1, wherein said at least one reflection face of said at least one light guide is included in a ruled surface described by straight lines perpendicular to a longitudinal axis (X) of the cylindrical sheet.
5. The optical device according to claim 1, wherein said at least one reflection face is included in two ruled surfaces which intersect in particular while forming at the intersection an angle varying between 70\xb0 and 110\xb0, and in particular close to 90\xb0.
6. The optical device according to claim 1, wherein said at least one light guide is monolithic, in particular by molding a plastic material.
7. The optical device according to claim 1, wherein said at least one light guide comprises at least one input cavity for the light, said at least one input cavity in particular being designed to receive said at least one light source at least partially.
8. The optical device according to claim 1, wherein said at least one light guide is designed so that a light beam issuing from said at least one output face is substantially parallel to an optical axis of said optical device.
9. The optical device according to claim 1, wherein said at least one light source comprises at least one LED, in particular an LED with radial radiation.
10. The optical device according to 1, wherein said at least one light guide is extended, on the side of its output face, by a portion guiding the light which exhibits a cylindrical sheet form or otherwise.
11. An optical device, in particular for an automotive vehicle, such as a lighting or signaling device, comprising:
at least one light source; and
at least one light guide designed to guide at least some of the light emitted by said at least one light source, said at least one light guide comprising at least one output face and at least one reflection face designed to reflect, towards said at least one output face, light being propagated in said at least one light guide;
wherein said at least one output face of said at least one light guide is not completely planar.
12. A light guide designed to guide at least some of the light emitted by a light source, said light guide comprising:
at least one output face; and
at least one reflection face designed to reflect, towards said at least one output face, light being propagated in said light guide, this said light guide exhibiting a cylindrical sheet form.
13. A process for manufacturing a light guide, said light guide being designed to guide at least some of the light emitted by a light source, said light guide comprising at least one output face and at least one reflection face designed to reflect, towards said at least one output face, light being propagated in said light guide, said light guide exhibiting an optical axis and at least one output face exhibiting a predetermined shape, the process comprising the following steps of:
a) obtaining a geometrical cylindrical sheet contour parallel to each other by extruding said at least one output face of said optical axis;
b) carrying out a geometrical operation so as to unfold said cylindrical sheet contour and making it planar;
c) obtaining, for this geometrical unfolded sheet contour, a reflection face shape;
d) obtaining a cylindrical sheet form according to said reflection face shape; and
e) manufacturing, in particular by molding a plastic material, said light guide with said cylindrical sheet form obtained.
14. The process according to claim 13, wherein said unfolded sheet contour obtained in step b) exhibits an unfolded output face in particular with a planar contour.
15. The process according to claim 13, wherein in step c), the contour of said at least one reflection face is obtained on the basis of a planar profile of said at least one output face obtained in the step c, by considering preservation of an optical path on said at least one reflection face.
16. The optical device according to claim 2, wherein said at least one output face is designed to diffuse the light leaving said at least one output face, in particular using flutes on said at least one output face.
17. The optical device according to claim 2, wherein said at least one reflection face of said at least one light guide is included in a ruled surface described by straight lines perpendicular to a longitudinal axis (X) of the cylindrical sheet.
18. The optical device according to claim 3, wherein said at least one reflection face of said at least one light guide is included in a ruled surface described by straight lines perpendicular to a longitudinal axis (X) of the cylindrical sheet.
19. The optical device according to claim 2, wherein said at least one reflection face is included in two ruled surfaces which intersect in particular while forming at the intersection an angle varying between 70\xb0 and 110\xb0, and in particular close to 90\xb0.
20. The optical device according to claim 3, wherein said at least one reflection face is included in two ruled surfaces which intersect in particular while forming at the intersection an angle varying between 70\xb0 and 110\xb0, and in particular close to 90\xb0.

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 linear acoustic pulsejet (LAP) comprising:
a body including a first side panel and an opposing substantially parallel second side panel;
a plurality of substantially parallel intercostals orthogonally connected to each of the first and second side panels to create a plurality of pulsejet cells within an interior of the body; and
a linear inlet cap positioned over a top of the body to form an air flow pathway (AFP) between the linear inlet cap and an exterior of an inlet section of the body, the AFP having a substantially 180\xb0 turn between an exterior of the body and an interior of the pulsejet cells.
2. The pulsejet of claim 1 further comprising an augmentor surrounding the body to entrain an air flow between the body exterior and the augmentor and increase thrust produced by each pulsejet cell.
3. The pulsejet of claim 2, wherein the augmentor comprises a pair of opposing entraining walls, each entraining wall including an auxiliary inlet flaps pivotal to control auxiliary air flows into the LAP augmentor.
4. The pulsejet of claim 1, wherein the first and second side panels have an undulating form including a plurality of linear ridges and valleys, and the intercostals are orthogonally connected to each of the first and second side panels at each valley.
5. The pulsejet of claim 4, wherein the linear valleys provide the AFP between the helmet and the body exterior to allow increased air flow into each pulsejet cell.
6. The pulsejet of claim 1, wherein at least one of the LAP body and the augmentor is adapted to be a load bearing structure of an aircraft.
7. The pulsejet of claim 1, wherein the LAP is adapted to operate each pulsejet cell 180\xb0 out of phase with respect an adjacent pulsejet cell.
8. The pulsejet of claim 1, wherein the intercostals comprise double walled partitions having a pair of walls and an air flow space between the walls for allowing air to flow to cool the pulsejet cells.
9. The pulsejet of claim 1 further comprising a pair of linear nozzle flaps that pivot to control a primary exhaust flow exiting each pulsejet cell, the nozzle flaps located at an end of nozzle section of the LAP such that a flap gap is created between the nozzle section and the nozzle flaps.
10. A method for providing vertical take off and landing propulsion for an aircraft, said method comprising:
integrating at least one linear acoustic pulsejet (LAP) as an integral load bearing part of a fuselage structural framework of the aircraft, the LAP including a body and a plurality of substantially parallel intercostals orthogonally connected between opposing body side panels that create a plurality of pulsejet cells within an interior of the body;
positioning a linear inlet cap over a top of the body to form an air flow pathway (AFP) between the linear inlet cap and an exterior of an inlet section of the body, the AFP having a substantially 180\xb0 turn between an exterior of the body and an interior of the pulsejet cells.
11. The method of claim 10, wherein the method further comprises surrounding the body with an augmentor including opposing entraining walls for entraining an air flow between the body exterior and the entraining walls to increase thrust produced by each pulsejet cell, the augmentor including entraining walls adapted to be integral load bearing structures of the fuselage structural framework.
12. The method of claim 10, wherein integrating the LAP comprises forming the first and second side panels to have an undulating form including a plurality of linear ridges and valleys, the linear valleys providing the AFP between the helmet and the body exterior to allow increased air flow into each pulsejet cell and the intercostals orthogonally connected to each of the first and second side panels at each valley.
13. The method of claim 10, wherein the method further comprises operating the LAP such that each pulsejet cell operates 180\xb0 out of phase with respect an adjacent pulsejet cell.
14. The method of claim 10, wherein the method further comprising controlling a primary exhaust flow exiting each pulsejet cell with a pair of linear nozzle flaps located at an end of nozzle section of the LAP such that a flap gap is created between the nozzle section and the nozzle flaps.
15. A vertical take off and landing (VTOL) aircraft comprising:
a fuselage having integrated therein at least one linear acoustic pulsejet (LAP) that forms an integral load bearing part of a fuselage structural framework, the LAP comprising:
a body including a first side panel and an opposing substantially parallel second side panel;
a plurality of substantially parallel intercostals orthogonally connected to each of the first and second side panels to create a plurality of pulsejet cells within an interior of the body; and
a linear inlet cap positioned over a top of the body to form an air flow pathway (AFP) between the linear inlet cap and an exterior of an inlet section of the body, the AFP having a substantially 180\xb0 turn between an exterior of the body and an interior of the pulsejet cells.
16. The aircraft of claim 15, wherein the LAP further comprising an augmentor surrounding the body, the augmentor including opposing entraining walls for entraining an air flow between the body exterior and the entraining walls to increase thrust produced by each pulsejet cell, the augmentor including entraining walls adapted to be integral load bearing structures of the fuselage structural framework.
17. The aircraft of claim 15, wherein the first and second side panels have an undulating form including a plurality of linear ridges and valleys, the linear valleys providing the AFP between the helmet and the body exterior to allow increased air flow into each pulsejet cell and the intercostals orthogonally connected to each of the first and second side panels at each valley.
18. The aircraft of claim 15, wherein the LAP is adapted to operate each pulsejet cell 180\xb0 out of phase with respect an adjacent pulsejet cell.
19. The aircraft of claim 15, wherein the intercostals comprise double walled partitions having a pair of walls and an air flow space between the walls for allowing air to flow to cool the pulsejet cells.
20. The aircraft of claim 15 further comprising a pair of linear nozzle flaps that pivot to control a primary exhaust flow exiting each pulsejet cell, the nozzle flaps located at an end of nozzle section of the LAP such that a flap gap is created between the nozzle section and the nozzle flaps.

1. A process of removing a first solvent from a mass of powdered amoxycillin in which the first solvent is not naturally occurring, the process comprising:
(a) contacting the mass of powdered amoxycillin with second solvent comprising a C1-C4, fluorinated hydrocarbon so as to charge the second solvent with the first solvent; and
(b) separating charged second solvent from the remainder of the mass of powdered amoxycillin.
2. A process according to claim 1, wherein said first solvent is a volatile contaminant.
3. A process according to claim 1, wherein said first solvent has a boiling point of greater than 25\xb0 C. and less than 300\xb0 C.
4. A process according to claim 1, wherein said first solvent is a liquid under the conditions at which said material is contacted with said second solvent.
5. A process according to claim 1, wherein said first solvent is an organic solvent.
6. A process according to claim 5, wherein said second solvent is a chlorinated solvent.
7. A process according to claim 6, wherein said second solvent is tetrachloromethane, perchloromethane, or trichloromethane.
8. A process according to claim 6, wherein said second solvent is dichloromethane.
9. A process according to claim 1, wherein said first solvent is selected from an optionally substituted cyclic, aromatic or aliphatic hydrocarbon, an alcohol, ester, ketone, ether, nitrile or amine.
10. A process according to claim 1, wherein said first solvent is brought into contact with other components in said mass of powdered amoxicillin in an upstream process step.
11. A process according to claim 1, wherein the C1-C4 fluorinated hydrocarbon is non-chlorinated.
12. A process according to claim 1, wherein said hydrofluorocarbon is aliphatic.
13. A process according to claim 1, wherein said hydrofluorocarbon has a boiling point at atmospheric pressure of less than 20\xb0 C.
14. A process according to claim 1, wherein said hydrofluorocarbon has a boiling point at atmospheric pressure of greater than \u221290\xb0 C.
15. A process according to claim 1, wherein said hydrofluorocarbon is tetrafluoroethane.
16. A process according to claim 1, wherein said second solvent used in the process comprises a solvent mixture of a hydrofluorocarbon solvent and a co-solvent.
17. A process according to claim 1, wherein the hydrofluorocarbon is removed from the charged solvent and hence from the first solvent by distillation.
18. A process according to claim 1, including the step of removing said second solvent from the remainder of said mass of powdered amoxicillin after step (b).
19. A process according to claim 18, wherein removal of said second solvent is achieved by providing conditions for the evaporation of said second solvent.

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 method for manufacturing an optical unit having an optical element and a support member for supporting the optical element, the method comprising:
heating and deforming a portion of at least one of opposing surfaces of the optical element and the support member to extend the deformed portion toward the other of the opposing surfaces so that the optical element moves relative to the support member; and
securing the optical element and the support member together.
2. The manufacturing method of claim 1, wherein the heating and deforming step is performed by irradiating a laser to at least one of the opposing surfaces of the optical element and the support member.
3. The manufacturing method of claim 2, wherein the laser is irradiated through the optical element to the support member for deforming the support member.
4. The manufacturing method of claim 2, wherein the laser is irradiated through the support member to the optical element for deforming the optical element.
5. The manufacturing method of claim 2, further comprising:
providing a table with relationships between laser power, laser irradiation time, and an amount of deformation; and
adjusting the laser according to the table and an amount of tilting of the optical element relative to the support member.
6. The manufacturing method of claim 2, further comprising:
disposing an ultraviolet cure resin between the optical element and the support member; and
after deforming at least one of the optical element and the support member, irradiating ultraviolet light to the ultraviolet cure resin.
7. The manufacturing method of claim 2, wherein the optical element is made of amorphous polyolefin and the support member is made of liquid crystal polymer.
8. A method for manufacturing an optical unit having an optical element and a support member for supporting the optical element, the method comprising:
deforming at least one of opposing surfaces of the optical element and the support member; and
securing the optical element and the support member together,
wherein a laser is irradiated to at least one of the opposing surfaces of the optical element and the support member,
wherein one of the optical element and the support member is made of material capable of transmitting 80% or more of light having the same wavelength as the laser emitted from a laser source, and the other of the optical element and the support member is made of material capable of absorbing 80% or more of light having the same wavelength as the laser emitted from the laser source.
9. The manufacturing method of claim 8, wherein the wavelength of the laser emitted from the laser source has the wavelength of 810 nm.
10. The manufacturing method of claim 8, further comprising:
measuring a tilting of the optical element relative to the support member,
determining an amount of target deformation of at least one of the opposing surfaces of the optical element and the support member according to a measurement result and then deforming at least one of the opposing surfaces; and
measuring again the tilting of the optical element relative to the support member; and
deforming again at least one of the opposing surfaces if the measurement result is less than the target value.
11. An optical unit comprising:
a support member; and
an optical member supported by the support member;
the support member having a first portion for supporting the optical member;
the optical member having a second portion opposing the first portion of the support member; and
one of the first and second portions having a projection that is projected into contact with the other of the first and second portions,
wherein a position of the optical element relative to the support member is adjusted by heating and deforming the projection.
12. The optical unit of claim 11, further comprising an ultraviolet cure resin in a gap defined between the first and second portions and around the projection, the ultraviolet cure resin being cured to secure the first and second portions.
13. The optical unit of claim 12, wherein the optical member is a lens made of material capable of transmitting 80% or more of light having a wavelength of 801 nm and the support member is a lens holder made of material capable of absorbing 80% or more of light having a wavelength of 810 nm.