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Title:
STEPPED PRESSURE PISTON ENGINE AND EQUIPMENT
Document Type and Number:
Japanese Patent JPS63231004
Kind Code:
A
Abstract:

PURPOSE: To facilitate manufacture of a pressure device by engaging a stepped piston comprising a slender shaft, a thick shaft and a slender shaft arranged in order with a drum portion comprising a narrow piston chamber and broad piston chambers.

CONSTITUTION: A drum portion 13 comprises a narrow piston chamber A dis posed on cylinder bead 11 side and broad piston chambers (a), B disposed on the other end side. A piston of a step structure has a slender shaft 21, the outside diameter of which is engaged with the inside diameter of the narrow piston chamber A of the drum portion 13 so as to be able to take piston action. Secondly a thick shaft 22 is provided, with the outside diameter thereof engaged with the inside diameters of the broad piston chambers (a), B. Lastly there is provided a slender shaft 23 where the output side of the piston action is engaged with a shaft hole of a flange 14 so as to be able to take piston action.


Inventors:
Sato, Hiroshi
Application Number:
JP1987000060026
Publication Date:
September 27, 1988
Filing Date:
March 17, 1987
Export Citation:
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Assignee:
DAIICHI DENKI KK
International Classes:
F16J10/02; F15B15/14; (IPC1-7): F15B15/14; F16J10/02
Domestic Patent References:
JP38002949A
JPS498674A
JPS55142101A
JPS52139882A
JP46017449A