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Class Information
Number: 353/57
Name: Optics: image projectors > Temperature control > Blower
Description: Subject matter including a fan or rotor and means to rotate the fan or rotor to move cooler air into the projector and to move warmer air out of the projector to cool the parts of the projector.

Sub-classes under this class:

Class Number Class Name Patents
353/60 Air directed against face or back of object 197
353/59 Common motor for blower and slide changer 13
353/61 Particular air ducts or deflector 330
353/58 Plural 122

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8702242 Projector Apr. 22, 2014
8690346 Projection display apparatus including wind outlets for cooling optical part Apr. 8, 2014
8690347 Cooling device and projection device comprising the same Apr. 8, 2014
8667702 Domestic appliance with an open air duct Mar. 11, 2014
8662674 Method for controlling cooling device, cooling device, and projection-type display device Mar. 4, 2014
8641201 Heat dissipation module and projection apparatus Feb. 4, 2014
8641200 Projection type display device provided with a unit for detecting clogging of filters Feb. 4, 2014
8608316 Cooling and air flow exhaust for image projection apparatus Dec. 17, 2013
8604933 System and method for safe handling of information handling resources by monitoring thermal properties of resources Dec. 10, 2013
8596797 Light source device and projector Dec. 3, 2013
8591037 Projector with a turbo fan rotatable about a vertical axis Nov. 26, 2013
8562143 Projection display device with cooling unit Oct. 22, 2013
8562144 Image projection device and method for controlling air-filter Oct. 22, 2013
8562149 Flexibly connectable digital micromirror device module and projecting apparatus employing same Oct. 22, 2013
8550633 Laser projector having a diffuser vibrated by using component of a cooling mechanism Oct. 8, 2013
8540377 Projector light source device having projections regulating cooling airflow Sep. 24, 2013
8540374 Cooling arrangement for projector with optical modulation devices Sep. 24, 2013
8534846 Projection apparatus and method for adjusting a driving voltage of the projection apparatus Sep. 17, 2013
8529656 Projection display device Sep. 10, 2013
8523365 Light source device and projector Sep. 3, 2013
8517540 Liquid crystal projector Aug. 27, 2013
8506088 Airflow-guiding device and projector Aug. 13, 2013
8491126 Projector and projection lens having associated thermal transfer structure Jul. 23, 2013
8480236 Having a light control unit Jul. 9, 2013
8465156 Image projection apparatus having cleaning function of air filter Jun. 18, 2013
8454170 Projector and method for cooling lamps installed in projector Jun. 4, 2013
8408714 Light source device and projector Apr. 2, 2013
8408715 Projector with single fan Apr. 2, 2013
8403497 Projector Mar. 26, 2013
8393738 Illumination module and projector Mar. 12, 2013
8392034 Electronic apparatus having cooling fan and detachable air filter and control method of cooling fan thereof Mar. 5, 2013
8388144 Projection image display device Mar. 5, 2013
8388143 Projection display device Mar. 5, 2013
8388142 Thermal management of very small form factor projectors with synthetic jets Mar. 5, 2013
8388141 Electric apparatus Mar. 5, 2013
8382290 Projector and method of controlling the same Feb. 26, 2013
8360584 Projector Jan. 29, 2013
8350711 System and method for safe handling of information resources by monitoring thermal properties and controlling operation of a cooling fan Jan. 8, 2013
8342692 Projector with heat radiating construction Jan. 1, 2013
8328364 Projection display apparatus comprising a louver with inclined and non-inclined portions Dec. 11, 2012
8322861 Lamp source module and projection system Dec. 4, 2012
8322867 Projector apparatus Dec. 4, 2012
8317336 Cooling and air flow exhaust for image projection apparatus Nov. 27, 2012
8317337 Projector Nov. 27, 2012
8313200 Light source apparatus and projection device Nov. 20, 2012
8308303 Projector having cooling duct including flow paths for directing cooling air over light modulation devices Nov. 13, 2012
8303118 Video projector Nov. 6, 2012
8292980 Dust capture device and projection type image display apparatus Oct. 23, 2012
8287135 Light source device and projector with improved airflow Oct. 16, 2012
8282215 Spatial light modulation device, projector, and cooling method for spatial light modulation device Oct. 9, 2012

1 2 3 4 5 6

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