oil for Toyota Five-stroke engine
Five-stroke engine
In 1879, Nikolaus Otto manufactured and sold a double expansion engine (the double and triple expansion principles had ample usage in steam engines), with two small cylinders at both sides of a low-pressure larger cylinder, where a second expansion of exhaust stroke gas took place; the owner returned it, alleging poor performance. In 1906, the concept was incorporated in a car built by EHV (Eisenhuth Horseless Vehicle Company) CT, USA;22 and in the 21st century Ilmor designed and successfully tested a 5-stroke double expansion internal combustion engine, with high power output and low SFC (Specific Fuel Consumption).23
Six-stroke engine
The six-stroke engine was invented in 1883. Four kinds of six-stroke use a regular piston in a regular cylinder (Griffin six-stroke, Bajulaz six-stroke, Velozeta six-stroke and Crower six-stroke), firing every three crankshaft revolutions. The systems capture the wasted heat of the four-stroke Otto cycle with an injection of air or water.
The Beare Head and "piston charger" engines operate as opposed-piston engines, two pistons in a single cylinder, firing every two revolutions rather more like a regular four-stroke.
Źródło: https://en.wikipedia.org/wiki/Internal_combustion_engine
Reciprocating
Classification
There are several possible ways to classify internal combustion engines.
Reciprocating:
By number of strokes
Two-stroke engine
Clerk Cycle 1879 6
Day Cycle
Four-stroke engine (Otto cycle)
Six-stroke engine
By type of ignition
Compression-ignition engine
Spark-ignition engine (commonly found as gasoline engines)
By mechanical/thermodynamical cycle (these 2 cycles do not encompass all reciprocating engines, and are infrequently used):
Atkinson cycle
Miller cycle
Rotary:
Wankel engine
Continuous combustion:
Gas turbine
Jet engine
Rocket engine
Ramjet
The following jet engine types are also gas turbines types:
Turbojet
Turbofan
Turboprop
Źródło: https://en.wikipedia.org/wiki/Internal_combustion_engine
The investment in the car before selling
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