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  • F02B25/00
    		•  Engines characterised by using fresh charge for scavenging cylinders [1, 2006.01] HB CC 3G030
  • F02B25/02
    		•  .using unidirectional scavenging HB CC 3G030
  • F02B25/04
    		•  ..Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke HB CC 3G030
  • F02B25/06
    		•  ...the cylinder-head ports being controlled by working pistons, e.g. by sleeve-shaped extensions thereof HB CC 3G030
  • F02B25/08
    		•  ..Engines with oppositely-moving reciprocating working pistons HB CC 3G030
  • F02B25/10
    		•  ...with one piston having a smaller diameter or shorter stroke than the other HB CC 3G030
  • F02B25/12
    		•  ..Engines with U-shaped cylinders, having ports in each arm HB CC 3G030
  • F02B25/14
    		•  .using reverse-flow scavenging, e.g. with both inlet and outlet ports arranged near bottom of piston stroke HB CC 3G030
  • F02B25/14@A
    		•  having a valve other than the throttle valve in the air supply route or exhaust route, [figure] HB CC 3G030
  • F02B25/14@B
    		•  having a valve in the exhaust route, [figure] HB CC 3G030
  • F02B25/14@Z
    		•  Others HB CC 3G030
  • F02B25/16
    		•  ..the charge flowing upward essentially along cylinder wall opposite the inlet ports HB CC 3G030
  • F02B25/16@A
    		•  having no valve other than the throttle valve in the air supply route and exhaust route, [figure] HB CC 3G030
  • F02B25/16@B
    		•  equipped with a check valve or throttle valve in the air supply route and mixed air in the part behind the valve guided into the top of the piston when the piston is at the outer dead centre, [figure] HB CC 3G030
  • F02B25/16@C
    		•  Air supply channel communicated to the crank chamber and a check valve provided in the air supply channel (air supply channel and exhaust channel not communicated to each other), [figure] HB CC 3G030
  • F02B25/16@D
    		•  having a check valve in the air supply channel, part after which is also used as the exhaust channel, [figure] HB CC 3G030
  • F02B25/16@F
    		•  Air supply channel and exhaust channel other than A to D and having no supercharger HB CC 3G030
  • F02B25/16@H
    		•  Exhaust injection direction and exhaust outlet configuration, [figure] HB CC 3G030
  • F02B25/16@L
    		•  Exhaust port and exhaust route, [figure] HB CC 3G030
  • F02B25/16@N
    		•  Shape of the cylinder head bottom surface, [figure] HB CC 3G030
  • F02B25/16@P
    		•  Shape of the piston head upper surface, [figure] HB CC 3G030
  • F02B25/16@R
    		•  Other than diesel engines, injecting fuel into the cylinder, [figure] HB CC 3G030
  • F02B25/16@S
    		•  Other than diesel engines and crank cases, pressurising air supply or exhaust, [figure] HB CC 3G030
  • F02B25/16@Z
    		•  Others HB CC 3G030
  • F02B25/18
    		•  ..the charge flowing upward essentially along cylinder wall adjacent the inlet ports, e.g. by means of deflection rib on piston HB CC 3G030
  • F02B25/18@A
    		•  having a valve other than the throttle valve in the air supply route or exhaust route, [figure] HB CC 3G030
  • F02B25/18@B
    		•  having a valve in the exhaust route, [figure] HB CC 3G030
  • F02B25/18@Z
    		•  Others, [figure] HB CC 3G030
  • F02B25/20
    		•  .Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports, not provided for in, or of interest apart from, groups F02B 25/02-F02B 25/18 HB CC 3G030
  • F02B25/20@A
    		•  having a valve other than the throttle valve in the air supply route or exhaust route (Valve provided on the inlet of the resonant container in the air intake channel 27/02 Q), [figure] HB CC 3G030
  • F02B25/20@C
    		•  .Reed valve HB CC 3G030
  • F02B25/20@D
    		•  .Rotary valve HB CC 3G030
  • F02B25/20@E
    		•  .Oscillating valve HB CC 3G030
  • F02B25/20@F
    		•  .Exhaust control valve HB CC 3G030
  • F02B25/20@B
    		•  having a valve in the exhaust route (Valve provided on the inlet of the resonant container in the exhaust channel 27/06 F), [figure] HB CC 3G030
  • F02B25/20@R
    		•  .Rotary valve HB CC 3G030
  • F02B25/20@S
    		•  .Oscillating valve HB CC 3G030
  • F02B25/20@G
    		•  .Gate valve HB CC 3G030
  • F02B25/20@Z
    		•  Others HB CC 3G030
  • F02B25/22
    		•  ..by forming air cushion between charge and combustion residues HB CC 3G030
  • F02B25/24
    		•  ..Inlet or outlet openings being timed asymmetrically relative to bottom dead-centre HB CC 3G030
  • F02B25/26
    		•  .Multi-cylinder engines other than those provided for in, or of interest apart from, groups F02B 25/02-F02B 25/24 (internal-combustion aspects of rotary engines F02B 57/00) [1, 2006.01] HB CC 3G030
  • F02B25/28
    		•  ..with V-, fan-, or star-arrangement of cylinders HB CC 3G030
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