| Patent application number | Description | Published |
|---|
| 20100158737 | SCREW COMPRESSOR - A screw compressor includes a casing, a screw rotor and a gate rotor. The casing has a cylinder. The screw rotor is cylindrical-shaped and configured to be fitted into the cylinder. The gate rotor is configured to be engaged with the screw rotor. A, outlet width of a seal surface of the casing on a gas-outlet side of the screw rotor is larger than an inlet width of the seal surface on a gas-inlet side of the screw rotor. The seal surface of the casing is opposed to one surface of the gate rotor. | 06-24-2010 |
| 20100229595 | COMPRESSOR AND REFRIGERATING APPARATUS - A compressor includes a casing, a screw rotor fitted in the casing, at least one economizer port, and a control unit. The at least one economizer port is arranged to discharge refrigerant into compression chambers formed between the casing and the screw rotor. The control unit is configured to advance timing of opening of the at least one economizer port to the compression chambers in accordance with increase in rotating speed of the screw rotor. | 09-16-2010 |
| 20120003113 | SCREW COMPRESSOR - A screw compressor includes a casing, a screw rotor, an oil sump containing lubricant oil, a lubrication passage and a flow rate controller. The screw rotor is inserted in a cylinder portion of the casing to form a fluid chamber. The screw rotor rotates to suck a fluid into the fluid chamber for compression. The lubrication passage supplies the lubricant oil in the oil sump to the fluid chamber due to a difference in pressure between the oil sump and the fluid chamber. The flow rate controller reduces a flow rate of the lubricant oil supplied to the fluid chamber in accordance with a decrease in operating capacity of the screw compressor. | 01-05-2012 |
| Patent application number | Description | Published |
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| 20090079323 | PLASMA DISPLAY PANEL AND PLASMA DISPLAY PANEL UNIT - In a panel unit of a PDP apparatus, a discharge space is filled with a discharge gas containing a xenon gas as a principal component and a neon gas at a total pressure in a range of 1×10 | 03-26-2009 |
| 20100052509 | PLASMA DISPLAY PANEL AND PLASMA DISPLAY PANEL DEVICE - In a panel unit | 03-04-2010 |
| 20100308721 | PLASMA DISPLAY PANEL - A plasma display panel has high definition, high luminance, and low power consumption. In the plasma display panel, the front panel is provided thereon with display electrodes, a dielectric layer, and a protective layer. The display electrodes are formed on the front glass substrate. The dielectric layer coats the display electrodes, and the protective layer is formed on the dielectric layer. The rear panel is provided thereon with address electrodes and barrier ribs for partitioning the discharge space in the direction crossing to the display electrodes. The front and rear panels are opposed to each other with a discharge space therebetween filled with a discharge gas. The protective layer on the dielectric layer includes an underlying film, and aggregated particles adhered on the underlying film, the aggregated particles being formed by aggregating crystal grains of magnesium oxide. The underlying film contains metal oxides composed of at least two oxides selected from magnesium oxide, calcium oxide, strontium oxide, and barium oxide. According to an X-ray diffraction analysis of the surface of the underlying film, in a specific plane direction, the metal oxides have a diffraction angle peak between the minimum and maximum diffraction angles of simple substances of the oxides composing the metal oxides. | 12-09-2010 |
| 20100320901 | PLASMA DISPLAY PANEL - A high definition plasma display panel which can display a video of a higher brightness and yet can be driven at a low power consumption is realized. To this end, a plasma display panel includes front panel including display electrode formed on glass substrate, dielectric layer | 12-23-2010 |
| 20100327742 | PLASMA DISPLAY PANEL - A PDP includes a front panel including display electrode ( | 12-30-2010 |
| 20110133639 | PLASMA DISPLAY PANEL - A plasma display panel (PDP) featuring the display performance of high definition display and a high brightness, and yet, a lower power consumption is disclosed. A front panel of this PDP includes display electrodes formed on a front glass substrate, a dielectric layer covering the display electrodes, and a protective layer formed on the dielectric layer. A rear panel of this PDP includes address electrodes formed along a direction intersecting with the display electrodes, and barrier ribs. The front panel and the rear panel confront each other to form a discharge space which is filled with discharge gas and is portioned by the barrier ribs. The protective layer is formed of a metal oxide made of MgO and CaO. X-ray diffraction analysis on the surface of the protective layer finds that the metal oxide has a peak between a diffraction angle where a peak of MgO occurs and a diffraction angle where a peak of CaO occurs along an identical orientation of the MgO peak. | 06-09-2011 |
| 20110175524 | PLASMA DISPLAY PANEL - A high definition plasma display panel which can display a video of a higher brightness and yet can be driven at a low power consumption is realized. To this end, a plasma display panel includes front panel including display electrode formed on glass substrate, dielectric layer covering display electrode, and protective layer formed on dielectric layer; and a rear panel opposing to front panel to form a discharge space filled with discharge gas, and including an address electrode formed along a direction intersecting with display electrode, and a barrier rib partitioning the discharge space. Protective layer is formed of a metal oxide made of magnesium oxide and calcium oxide and contains zinc. In an X-ray diffraction analysis on a surface of protective layer, a diffraction angle where a peak of the metal oxide occurs exists between a diffraction angle where a peak of the magnesium oxide occurs and a diffraction angle where a peak of the calcium oxide occurs. | 07-21-2011 |
| 20110248629 | PLASMA DISPLAY PANEL - A plasma display panel (PDP) featuring the display performance of high definition display and high brightness, and yet, a lower power consumption is disclosed. A front panel of this PDP includes display electrodes formed on a front glass substrate, a dielectric layer covering the display electrodes, and a protective layer formed on the dielectric layer. A rear panel of this PDP includes address electrodes formed along a direction intersecting with the display electrodes, and barrier ribs. The front panel and the rear panel confront each other to form a discharge space which is portioned by the barrier ribs. The discharge space is filled with discharge gas. The protective layer is formed of a metal oxide made of MgO and CaO. X-ray diffraction analysis on the surface of the protective layer finds that the metal oxide has a peak between a diffraction angle where a peak of MgO occurs and a diffraction angle where a peak of CaO occurs along an identical orientation of the MgO peak, and the metal oxide has a peak indicating crystal orientation of (111) plane. | 10-13-2011 |
| 20120009338 | METHOD FOR PRODUCING PLASMA DISPLAY PANEL - A method for producing a plasma display panel having a base layer including metallic oxides and agglomerated particles dispersed on the base layer includes the following steps of: forming the base layer on the dielectric layer; spreading a first organic solvent on the base layer to form a first coating layer; spreading a second organic solvent in which the agglomerated particles are dispersed on the first coating layer to form a second coating layer; and heating the first and second coating layers to evaporate the first and second organic solvents and further to disperse the agglomerated particles on the base layer. | 01-12-2012 |
| 20120040584 | METHOD FOR PRODUCING PLASMA DISPLAY PANEL - A method for producing a plasma display panel including a base layer containing a metal oxide, and aggregated particles dispersed on the base layer includes the following process. The front plate having a protective layer is fired in an atmosphere containing at least one selected from a group consisting of a nitrogen gas, a mixture gas of nitrogen and oxygen, and a rare gas, and a water molecule. Then, a film of a water molecule or hydroxide is formed on a surface of the protective layer at a lowered temperature in the above atmosphere. Then, the front plate having the film, and the rear plate are oppositely arranged. Then, the film is removed from the protective layer, and the water molecule is exhausted from the discharge space by heating the oppositely arranged front plate and rear plate. Then, the front plate having no film and the rear plate are sealed. | 02-16-2012 |
| Patent application number | Description | Published |
|---|
| 20100158737 | SCREW COMPRESSOR - A screw compressor includes a casing, a screw rotor and a gate rotor. The casing has a cylinder. The screw rotor is cylindrical-shaped and configured to be fitted into the cylinder. The gate rotor is configured to be engaged with the screw rotor. A, outlet width of a seal surface of the casing on a gas-outlet side of the screw rotor is larger than an inlet width of the seal surface on a gas-inlet side of the screw rotor. The seal surface of the casing is opposed to one surface of the gate rotor. | 06-24-2010 |
| 20100229595 | COMPRESSOR AND REFRIGERATING APPARATUS - A compressor includes a casing, a screw rotor fitted in the casing, at least one economizer port, and a control unit. The at least one economizer port is arranged to discharge refrigerant into compression chambers formed between the casing and the screw rotor. The control unit is configured to advance timing of opening of the at least one economizer port to the compression chambers in accordance with increase in rotating speed of the screw rotor. | 09-16-2010 |
| 20100278678 | SCREW COMPRESSOR - A screw compressor includes a casing having a cylinder, a cylindrical-shaped screw rotor disposed in the cylinder, a gate rotor and a seal portion. The screw rotor has a plurality of spiral-shaped groove portions formed in an outer peripheral surface. The gate rotor has a plurality of tooth portions engaged with the groove portions of the screw rotor to define compression chambers on one side of the gate rotor. The tooth portions are formed at an outer peripheral surface of the gate rotor. The seal portion is disposed on a side of the gate rotor opposite to the one side where the compression chambers are defined. The seal portion is arranged to block a space between a neighboring pair of the tooth portions of the gate rotor. | 11-04-2010 |
| 20100284848 | SCREW COMPRESSOR - A screw compressor includes a screw rotor having a plurality of helical grooves, a casing containing the screw rotor and a gate rotor. The casing includes a discharge port on an inner peripheral surface of the casing. The gate rotor has gates meshing with the helical grooves of the screw rotor to compress gas in compression chambers to discharge the gas from the discharge port after being compressed. The compression chambers are defined by the helical grooves, the casing, and the gates. The discharge port is divided into a first port and a second port when two adjacent helical grooves of the plurality of helical grooves is open to the discharge port as a result of rotation of the screw rotor, with one of the two adjacent helical grooves being open in the first port and the other of the two adjacent helical grooves being open in the second port. | 11-11-2010 |
| 20100329918 | SCREW COMPRESSOR - A screw compressor includes a screw rotor, a gate rotor and an injection mechanism. The screw rotor is provided with multiple helical grooves. The gate rotor is provided with multiple gates meshing with the helical grooves to form at least one compression chamber between at least one of the helical grooves and at least one of the gates. The compression chamber is configured and arranged such that refrigerant taken-in from a starting-end side of the helical groove is compressed and discharged from a dead-end side of the helical groove. The injection mechanism is configured and arranged to inject oil or refrigerant from a discharge hole of the injection mechanism into the compression chamber such that rotational torque is imparted in a direction in which the screw rotor is rotated at a time of compression. | 12-30-2010 |
| 20120003113 | SCREW COMPRESSOR - A screw compressor includes a casing, a screw rotor, an oil sump containing lubricant oil, a lubrication passage and a flow rate controller. The screw rotor is inserted in a cylinder portion of the casing to form a fluid chamber. The screw rotor rotates to suck a fluid into the fluid chamber for compression. The lubrication passage supplies the lubricant oil in the oil sump to the fluid chamber due to a difference in pressure between the oil sump and the fluid chamber. The flow rate controller reduces a flow rate of the lubricant oil supplied to the fluid chamber in accordance with a decrease in operating capacity of the screw compressor. | 01-05-2012 |
