Seat valve

US11396869B2 · kind B2 · utility

Assignee

• BURCKHARDT COMPRESSION AG · CH

Inventor

• Reiner Schulz · Remscheid, DE

Key dates

• Filing date: Jan 8, 2020
• Grant date: Jul 26, 2022
• Expiry date: Jan 8, 2040

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/785
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Seat valve, with a valve body having a plurality of inlet channels, with a plurality of closing elements arranged movably in a longitudinal direction L, each inlet channel being assigned a closing element for opening and closing the inlet channel, with a closing spring assigned to each closing element. The closing spring applies a prestressing force to the respective closing element to close the inlet channel. Each closing element assigned a braking device which is arranged separately from the closing element and which gradually brakes an opening movement of the closing element when the inlet channel is opened, independently of the closing spring. The braking device having a stop body with a stop surface against which the closing element can be brought to bear after an opening movement when the inlet channel is opened, the stop body being arranged movably and/or yieldingly in the opening direction of the closing element.