|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

ENGINES AND PUMPS

|  | F02 |
COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines Fulltext... Hierarchy... Expanded...F01); HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

|  | F02G |
HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid Fulltext... Hierarchy... Expanded...F01K; gas-turbine plants Fulltext... Hierarchy... Expanded...F02C; jet-propulsion plants Fulltext... Hierarchy... Expanded...F02K); USE OF WASTE HEAT OF COMBUSTION ENGINES, NOT OTHERWISE PROVIDED FOR

|  | F02G |
Note(s) Attention is drawn to the notes preceding class Fulltext... Hierarchy... Expanded...F01.

|  | F02G 1/00 |
Hot gas positive-displacement engine plants (positive-displacement engine plants characterised by the working gas being generated by combustion in the plant Fulltext... Hierarchy... Expanded...F02G 3/00)

|  | F02G 1/02 |
· | of open-cycle type

|  | F02G 1/04 |
· | of closed-cycle type

|  | F02G 1/043 |
· · | the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines [3]

|  | F02G 1/044 |
· · · | having at least two working members, e.g. pistons, delivering power output [3]

|  | F02G 1/045 |
· · · | Controlling [3]

|  | F02G 1/047 |
· · · · | by varying the heating or cooling [3]

|  | F02G 1/05 |
· · · · | by varying the rate of flow or quantity of the working gas [3]

|  | F02G 1/053 |
· · · | Component parts or details [3]

|  | F02G 1/055 |
· · · · | Heaters or coolers [3]

|  | F02G 1/057 |
· · · · | Regenerators [3]

|  | F02G 1/06 |
· | Controlling

|  | F02G 3/00 |
Positive-displacement engine plants characterised by the working gas being generated by combustion in the plant

|  | F02G 3/02 |
· | with reciprocating-piston engines

|  | F02G 5/00 |
Profiting from waste heat of combustion engines, not otherwise provided for

|  | F02G 5/02 |
· | Profiting from waste heat of exhaust gases

|  | F02G 5/04 |
· · | in combination with other waste heat from combustion engines