WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F23H　GRATES (inlets for fluidisation air for fluidised bed combustion apparatus F23C 10/20); CLEANING OR RAKING GRATES

F23H 1/00 Grates with solid bars

F23H 1/02 ・having provision for air supply or air preheating, e.g. air-supply or blast fittings which form a part of the grate structure or serve as supports

F23H 1/04 ・having a variable burning surface

F23H 1/06 ・having bars at different levels (double grates F23H 5/00)

F23H 1/08 ・Vertical grates

F23H 3/00 Grates with hollow bars

F23H 3/02 ・internally cooled

F23H 3/04 ・externally cooled, e.g. with water, steam or air

F23H 5/00 Double grates

F23H 7/00 Inclined {or stepped} grates (inclined travelling grates F23H 11/12)

F23H 7/02 ・with fixed bars

F23H 7/04 ・・in parallel disposition

F23H 7/06 ・with movable bars disposed parallel to direction of fuel feeding

F23H 7/08 ・・reciprocating along their axes

F23H 7/10 ・・rocking about their axes

F23H 7/12 ・with movable bars disposed transversely to direction of fuel feeding

F23H 7/14 ・・reciprocating along their axis

F23H 7/16 ・・rocking about their axes

F23H 7/18 ・・reciprocating in an upward direction

F23H 9/00 Revolving-grates; Rocking-grates (F23H 7/00 takes precedence)

F23H 9/02 ・Revolving cylindrical grates

F23H 9/04 ・Grates rocked as a whole

F23H 9/06 ・the bars being rocked about axes transverse to their lengths

F23H 9/08 ・the bars being rocked about their longitudinal axes

F23H 9/10 ・・and modified to move fuel along the grate

F23H 9/12 ・the bars being vertically movable in a plane

F23H 11/00 Travelling-grates

F23H 11/02 ・with the bars disposed on transverse bearers

F23H 11/04 ・with the bars pivoted at one side

F23H 11/06 ・with the bars movable relatively to one another

F23H 11/08 ・with several individually-movable grate surfaces

F23H 11/10 ・with special provision for supply of air from below and for regulating air supply

F23H 11/12 ・inclined travelling grates; Stepped travelling grates

F23H 11/14 ・serving as auxiliary grates

F23H 11/16 ・for multi-layer stoking

F23H 11/18 ・Details

F23H 11/20 ・・Driving-means

F23H 11/22 ・・Moving fuel along grate; Cleaning of grate

F23H 11/24 ・・Removal of ashes; Removal of clinker

F23H 11/26 ・・・by dumping

F23H 11/28 ・・Replaceable burning-surface

F23H 13/00 Grates not covered by any preceding group

F23H 13/02 ・Basket grates, e.g. with shaking arrangement

F23H 13/04 ・Telescoping-grates

F23H 13/06 ・Dumping-grates

F23H 13/08 ・Grates specially adapted for gas generators and also applicable to furnaces

F23H 15/00 Cleaning arrangements for grates (not forming part of the grate F23J 1/00); Moving fuel along grate (rocking-grates modified for moving fuel F23H 9/10; for travelling-grates F23H 11/22)

F23H 17/00 Details of grates

F23H 17/02 ・End fittings on bars

F23H 17/04 ・・of travelling-grates

F23H 17/06 ・Provision for vertical adjustment of grate

F23H 17/08 ・Bearers; Frames; Spacers; Supports

F23H 17/10 ・・Dead plates; Imperforate fuel supports

F23H 17/12 ・Fire-bars

F23H 2700/00 Grates characterised by special features or applications

F23H 2700/001 ・Grates specially adapted for steam boilers

F23H 2700/002 ・Inclined grates with longitudinally movable gratebars

F23H 2700/003 ・Stepped grates with rotatable or slidable gratebars

F23H 2700/004 ・Rotary grates with horizontal axis

F23H 2700/005 ・Rotary grates with vertical axis

F23H 2700/006 ・Grates of basket-type

F23H 2700/007 ・Basket grates with shaking arrangement

F23H 2700/008 ・Mobile grates

F23H 2700/009 ・Grates specially adapted for incinerators

F23H 2900/00 Special features of combustion grates

F23H 2900/03021 ・Liquid cooled grates

F23H 2900/09041 ・Vibrating grates for solid fuels (specially adapted for incinerators F23G 2203/107)

F23H 2900/17001 ・Specific materials therefor

F23H 2900/17002 ・Detachable or removable worn-out parts