Planetary rotary type fluid motor or engine and compressor or pump

A planetary rotary type fluid motor or engine, characterized in that the planetary rotary type fluid motor or engine comprises a hollow cylinder block having a cylinder, and a main shaft supported by end covers on both sides of the cylinder block, sealing is performed between the cylinder block and the end covers, a planetary wheel rotation device is disposed around the main shaft to drive the main shaft to rotate, a groove is disposed in an inner surface of the cylinder of the cylinder block in an axial direction of the cylinder, a rotary valve sheet is mounted in the groove, a tail end of the rotary valve sheet is fixed in the groove by a rotary valve sheet supporting spindle, the rotary valve sheet supporting spindle is disposed parallel to an axial center line of the cylinder of the cylinder block, an end surface of a head of the rotary valve sheet is a circular arc surface, a through hole is disposed from a bottom surface of the groove to an outer surface of the cylinder block to serve as a power source input opening, and a through hole from the inner surface of the cylinder of the cylinder block to the outer surface of the cylinder block is disposed in the cylinder block to serve as a power source discharge opening;

• the planetary wheel rotation device comprises:
• planetary piston wheels, planetary piston wheel fixation flanges, and a center sun wheel drum;
• the planetary piston wheel is a cylindrical roller, both ends of the cylindrical roller are rotatably fixed to the planetary piston wheel fixation flanges, sealing is performed between the planetary piston wheel fixation flange and the cylinder block, the planetary piston wheel fixation flanges are fixed to the main shaft through keys, the center sun wheel drum is fitted over the main shaft to be disposed between the planetary piston wheels and the main shaft, an annular piston space in which the planetary piston wheels rotate is formed between an outer circular surface of the center sun wheel drum and a cylinder wall of the cylinder of the cylinder block, a number of the grooves of the cylinder block is at least two, and a number of the planetary piston wheels is at least three.

A planetary rotary type compressor or pump, characterized in that the planetary rotary type compressor or pump comprises a hollow cylinder block having a cylinder, and a main shaft supported by end covers on both sides of the cylinder block, sealing is performed between the cylinder block and the end covers, a planetary wheel rotation device is disposed around the main shaft to be driven to rotate by the main shaft, a groove is disposed in an inner surface of the cylinder of the cylinder block in an axial direction of the cylinder, a rotary valve sheet is mounted in the groove, a tail end of the rotary valve sheet is fixed in the groove by a rotary valve sheet supporting spindle, the rotary valve sheet supporting spindle is disposed parallel to an axial center line of the cylinder of the cylinder block, an end surface of a head of the rotary valve sheet is a circular arc surface;

• a through hole is disposed from a bottom surface of the groove to an outer surface of the cylinder block to serve as a pressure source output opening, and a through hole from an inner surface of the cylinder of the cylinder block to the outer surface of the cylinder block is disposed in the cylinder block to serve as a pressure source suction opening;
• the planetary wheel rotation device comprises:
• a planetary piston wheel, planetary piston wheel fixation flanges, and a center sun wheel drum;
• the planetary piston wheel is a cylindrical roller, a rotary valve sheet guide block is disposed to snug against the cylindrical roller on a forward end of the cylindrical roller in a movement direction of the cylindrical roller, both ends of the cylindrical roller are rotatably fixed to the planetary piston wheel fixation flanges, a rotary valve sheet resetting device is disposed between the rotary valve sheet and the cylinder block, the planetary piston wheel fixation flanges are fixed to the main shaft through keys, the center sun wheel drum is fitted over the main shaft to be disposed between the planetary piston wheel and the main shaft, and an annular piston space in which the planetary piston wheel rotates is formed between an outer circular surface of the center sun wheel drum and a cylinder wall of the cylinder of the cylinder block.