Mäntäpaineakku: Granted patent

Translated title of the contribution: Piston pressure accumulator

Jyrki Kajaste (Inventor), Jyri Juhala (Inventor), Kari Saari (Inventor)

Research output: Patent


The invention relates to a piston pressure accumulator (1), comprising: a frame (2); a piston (3; 30), which is arranged to move relative to the body (2) of the body (2) in the interior space. The space is divided into at least two subspaces (4 and 5), of which a first partial space (4) is supplied to the external system hydraulic fluid and a second partial space (5) is a compressed gas. The piston; between (3 30) and the body (2), the slide element (2a; 2b '), on which the piston (3) is supported to move in a distance from the first partial space (4) from the inner surface (4a) and a second partial space from the inner surface (5a). Mäntäpaineakkuun (1) is provided with at least one regenerator (7a; 7b; 8) which is stationary relative to the body (2) and the piston (3).
Translated title of the contributionPiston pressure accumulator
Original languageFinnish
Patent numberFI127612
IPCF15B 1/00 (2006.01)
Priority date04/12/2014
Filing date04/12/2014
Publication statusPublished - 15 Oct 2018
MoE publication typeH1 Granted patent


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