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Class Information
Number: 123/75D
Name: Internal-combustion engines >
Description:










Sub-classes under this class:

Class Number Class Name Patents
123/ Oil engines 0
123/ Double-acting 0
123/ Starting device 0
123/142.5R With heating means 237
123/143R Igniters 59
123/179.1 Starting device 138
123/184.21 Intake manifold 370
123/188.1 Valve 40
123/18R Oscillating piston 94
123/19 Liquid piston 17
123/192.1 Vibration compensating device 231
123/193.1 Particular piston and enclosing cylinder construction 74
123/195R Frame construction 474
123/196R Lubricators 1,118
123/197.1 Transmission mechanism from piston 199
123/198R Accessories 235
123/1R Miscellaneous 68
123/2 Combined devices 174
123/200 Rotary 38
123/21 Convertible cycle 66
123/22 Internal combustion and air 5
123/23 Solid fuel 78
123/24R Gunpowder 9
123/250 Engine means having internal vaporizing in prechamber with all combustion in main chamber 13
123/253 Precombustion and main combustion chambers in series 26
123/25R Water and hydrocarbon 117
123/26 Additional air supply 83
123/27R Burning by highly compressed air 74
123/294 Combustion chamber means having fuel injection only 119
123/306 Means to whirl fluid before, upon, or after entry into combustion chamber 361
123/310 Combustion chamber having multiple spark gaps 93
123/311 Four-cycle 39
123/319 Engine speed regulator 106
123/37 Multiple explosion 14
123/38 Atmospheric 0
123/39 Noncompression 13
123/406.11 Spark ignition timing control 58
123/41.01 Cooling 173
123/41.86 Crankcase ventilation 158
123/41R Reversible 15
123/42 Oscillating cylinder 28
123/429 Combustion chamber means combined with air-fuel mixture forming means 22
123/434 Charge forming device (e.g., pollution control) 142
123/43R Rotating cylinder 68
123/45R Rotary reciprocating piston 37
123/46R Free piston 179
123/47R Valved piston 23
123/48R Adjustable combustion chamber 113
123/50R Reciprocating cylinder 25
123/51R Multiple piston, common nonrestrictive combustion chamber 58
123/52.1 Multiple cylinder 27
123/594 High tension ignition system 36
123/64 Six-cycle 53
123/657 Combustion chamber 34
123/65R Two-cycle 95
123/90.1 Poppet valve operating mechanism 54
123/DIG.1 Interchangeable 18
123/DIG.10 Fluidic amplifier fuel control 11
123/DIG.11 Antidieseling (stopping) 72
123/DIG.12 Hydrogen 250
123/DIG.13 Gas 5
123/DIG.2 Accumulated fuel return to tank or engine-induction system 13
123/DIG.3 Model 30
123/DIG.4 Stratification 27
123/DIG.5 Crankcase pressure-operated pumps 34
123/DIG.6 Detachable 18
123/DIG.7 Convertible 43
123/DIG.8 Multiple engine units 51
123/DIG.9 Flame ignition 10


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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