Patent · US Active

Trailing piston having a support lip

US11835139B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignee

Ritter GmbH · DE

Inventors

Stephan Schatz · Scheidegg, DE
Sebastian Kertzscher · Lagerlechfeld, DE
Oliver Wolf · Aalen, DE
Frank Finis · Augsburg, DE

Key dates

Filing date	Feb 28, 2022
Grant date	Dec 5, 2023
Priority date	—
Expiry date	Feb 28, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J1/04
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A self-sealing and self-centering piston has a domed piston plate and a substantially cylindrical skirt section. The skirt section joins the rear of the piston plate. A gap having a depth is formed between a first portion of the skirt section and a front lamella. A rear lamella adjoins the front lamella. In addition, a second section of the skirt section has a first seal and a second seal.

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