Patent · US Active

Engine

US11174826B2 · kind B2 · utility

0Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 2020
Grant dateNov 16, 2021
Priority date
Expiry dateSep 1, 2040

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Provided is an engine, including: a cylinder; a piston accommodated in the cylinder; a combustion chamber facing the piston; a sliding portion (large-diameter portion) configured to perform a stroke motion together with the piston; a hydraulic surface of the sliding portion facing a side opposite to the combustion chamber; a hydraulic chamber, which the hydraulic surface faces; and an auxiliary hydraulic chamber, which communicates with the hydraulic chamber, and has a volume changeable in accordance with a hydraulic pressure in the hydraulic chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.