F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
ENGINES OR PUMPS
 F02
COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F01); HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
 F02N
STARTING OF COMBUSTION ENGINES (starting of free-piston combustion-engines F02B 71/02; starting of gas-turbine plants F02C 7/26); STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
 F02N

Note(s)

  1. Attention is drawn to the Notes preceding class F01.
  2. The starting of engines which are not explicitly stated to be combustion engines is classified in this subclass in so far as their starting is equivalent to that of combustion engines.
 F02N 1/00 - 
F02N 3/00
Muscle-operated starting apparatus (with intermediate power storage F02N 5/00-F02N 15/00)
 F02N 1/00
Starting apparatus having hand cranks
 F02N 1/02
·  having safety means preventing damage caused by reverse rotation
 F02N 3/00
Other muscle-operated starting apparatus
 F02N 3/02
·  having pull-cords
 F02N 3/04
·  having foot-actuated levers
 F02N 5/00 - 
F02N 15/00
Power-operated starting apparatus; Muscle-operated starting apparatus with intermediate power storage
 F02N 5/00
Starting apparatus having mechanical power storage
 F02N 5/02
·  of spring type
 F02N 5/04
·  of inertia type
 F02N 7/00
Starting apparatus having fluid-driven auxiliary engines or apparatus
 F02N 7/02
·  the apparatus being of single-stroke piston type, e.g. pistons acting on racks or pull-cords
 F02N 7/04
·  ·  the pistons acting on screw-threaded members to effect rotation
 F02N 7/06
·  the engines being of reciprocating-piston type (of internal-combustion type F02N 7/10)
 F02N 7/08
·  the engines being of rotary type
 F02N 7/10
·  characterised by using auxiliary engines or apparatus of combustion type (by using explosive cartridges F02N 13/00)
 F02N 7/12
·  ·  the engines being of rotary type, e.g. turbines (F02N 7/14 takes precedence)
 F02N 7/14
·  ·  the starting engines being readily removable from main engines, e.g. of portable type
 F02N 9/00
Starting of engines by supplying auxiliary pressure fluid to their working chambers
 F02N 9/02
·  the pressure fluid being generated directly by combustion (by using explosive cartridges F02N 13/00)
 F02N 9/04
·  the pressure fluid being generated otherwise, e.g. by compressing air
 F02N 11/00
Starting of engines by means of electric motors (electric motors per se H02)
 F02N 11/02
·  the motors having longitudinally-shiftable rotors
 F02N 11/04
·  the motors being associated with current generators
 F02N 11/06
·  ·  and with ignition apparatus
 F02N 11/08
·  Circuits specially adapted for starting of engines
 F02N 11/10
·  Safety devices (F02N 11/08 takes precedence)
 F02N 11/12
·  Starting of engines by means of mobile, e.g. portable, starting sets
 F02N 11/14
·  Starting of engines by means of electric starters with external current supply (F02N 11/12 takes precedence)
 F02N 13/00
Starting of engines, or driving of starting apparatus by use of explosives, e.g. stored in cartridges
 F02N 13/02
·  Cartridges specially adapted therefor (gas cartridges in general F42B 3/04)
 F02N 15/00
Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from, groups F02N 5/00-F02N 13/00
 F02N 15/02
·  Gearing between starting engines and started engines; Engagement or disengagement thereof
 F02N 15/04
·  ·  the gearing including disengaging toothed gears
 F02N 15/06
·  ·  ·  the toothed gears being moved by axial displacement
 F02N 15/08
·  ·  the gearing being of friction type
 F02N 15/10
·  Safety devices not otherwise provided for
 F02N 17/00
Other starting means; Starting aids not otherwise provided for
 F02N 17/02
·  Aiding engine start by thermal means, e.g. using lighted wicks (using electrically-heated glowing plugs F02P 19/02)
 F02N 17/04
·  ·  by heating of fluids used in engines (heating of lubricants F01M 5/02)
 F02N 17/047
·  ·  ·  by heating of combustion-air by flame generating means, e.g. flame glow-plugs  [4]
 F02N 17/053
·  ·  ·  ·  Arrangement thereof  [4]
 F02N 17/06
·  ·  ·  by heating of engine coolants
 F02N 17/08
·  Aiding engine start by other than thermal means