JPS6111445Y2 - - Google Patents

Description

[Detailed description of the invention] This invention integrates a Rankine cycle prime mover (using Freon-based fluid as a working medium, for example) that uses the exhaust heat of the internal combustion engine (heat escaping into cooling water or exhaust gas, etc.) as a heat source with the internal combustion engine. The present invention relates to a prime mover device provided therein.

Rankine cycle engines, which use the exhaust heat of an internal combustion engine as a heat source and use Freon-based fluid as a working medium, have been put into practical use, but conventionally, Rankine cycle engines were installed separately from the internal combustion engine, and the output of each engine was determined separately. I try to take it out. Therefore, there is a disadvantage in that the installation space and manufacturing cost of the device are wasted, and the motor device is expensive.

The purpose of the present invention is to eliminate such drawbacks of the conventional technology.The present invention has the same structure as the reciprocating piston mechanism of the Rankine cycle engine, and the cylinder block, crankshaft, oil pan, etc. of the internal combustion engine. In other words, it is characterized by the fact that one cylinder of a multi-cylinder internal combustion engine is used as a Rankine cycle engine.According to the present invention, it is lightweight and compact, and the output extraction mechanism is This provides functions and effects such as simplification and cost reduction.

Next, embodiments of the present invention will be described with reference to figures.

Reference numeral 1 denotes a cylinder block, and the cylinder block 1 is provided with a large number of cylinders, of which one cylinder 2 is used for the Rankine cycle engine 10 and the other cylinder 3 is used for the internal combustion engine 20. A piston 4 is fitted into each cylinder, and each piston is connected to a common crankshaft 5 via a respective connecting rod 6. In other words, one cylinder of a normal multi-cylinder internal combustion engine is a Rankine cycle engine. 7 is an oil pan. Although the oil pan 7 is common to both engines, the lubricating oil stored inside it cannot be shared, so cylinder 2
A partition wall 8 is provided between and 3, and means for preventing the lubricating oils of both engines from mixing is provided. In addition, in order to prevent mixing of lubricating oil from the crank bearing part 9 between both engines, the upper end of the partition wall 8 is connected to the bearing part 9.
The structure is such that it comes into close contact with the lower surface of the holder with a gasket 11 interposed therebetween. (See Figure 2). 12 is a cylinder head of the Rankine cycle engine 10, 13 is a cylinder head of the internal combustion engine 20, 14 is a valve drive system,
15 is an output pulley.

As described above, in the present invention, a Rankine cycle engine is installed adjacent to an internal combustion engine using one (or more) cylinders of a multi-cylinder internal combustion engine.
Because they are integrated, the cylinder block, crankshaft, oil pan, pedestal, etc. can be integrally molded, reducing manufacturing costs and installation space for the prime mover, and also using a common crankshaft. The practical effects of the present invention are remarkable, as there is no need for a special device to combine the outputs of both engines.

[Brief explanation of the drawing]

FIG. 1 is a side sectional view of the prime mover device according to the present invention;
FIG. 2 is a sectional view of the oil pan partition wall structure. 1... Cylinder block, 2... Cylinder for Rankine cycle engine, 3... Cylinder for internal combustion engine, 4
... Piston, 5 ... Crankshaft, 7 ... Oil pan, 8 ... Partition wall, 9 ... Crank bearing section, 10
...Rankin Cycle Organization, 11...Patsukin,
20...Internal combustion engine.

Claims (1)

[Scope of utility model registration request] In a prime mover device comprising an internal combustion engine and a Rankine cycle engine using exhaust heat of the internal combustion engine as a heat source, a cylinder block of the Rankine cycle engine,
The main parts such as the crankshaft and oil pan are integrally formed with the cylinder block, crankshaft, oil pan, etc. of the adjacent internal combustion engine, and the partition wall to prevent the lubricating oil for both engines from mixing is the oil pan. A prime mover unit that integrates a Rankine cycle engine and an internal combustion engine.