Hubkolbeneinheit mit Variabler Verdrängung zur Erzeugung des Kolbenhubgeschwindigkeits- und Kolbenhublängensignals

Details

Veröffentlichungs-Nr.

EP3702617

Aktenzeichen

EP19159899

Anmeldetag

28. Februar 2019

Veröffentlichung

5. Oktober 2022

Erteilung

5. Oktober 2022

Rechtsraum

EP

IPC

F04B27/18F04B49/06

Abstract

Provided a variable displacement reciprocating piston unit, it is an object of this invention to improve piston unit performance. The objective is solved by a variable displacement reciprocating piston unit for generating a signal (635) indicating a piston stroke speed and a stroke length of at least one piston (110), the variable displacement reciprocating piston unit (100) comprising at least one processing unit (610), at least one sensor probe (130), and at least one target (140), the piston (110) having a top dead centre position (TDC) and a bottom dead centre position (BDC) and the processing unit configured to: receive (310) a signal from the sensor probe (130), the sensor probe (130) indicating a presence (440) and/or an absence (430) of the target (140) as the target (140) moves relative to the sensor probe (130), the signal allows first timestamps (410) to be measured when the target (140) moves from being present (440) at the sensor probe (130) to being absent (430) from the sensor probe (130), and the signal allows second timestamps (420) to be measured when the target (140) moves from being absent (430) from the sensor probe (130) to being present (440) at the sensor probe (130); determine (320) a periodicity of the piston (110) by applying a first function to at least two timestamps of the first timestamps (410) or at least two timestamps of the second timestamps (420); determine (330) a target duty cycle ratio by comparing a target pulse duration generated from at least one timestamp of the first timestamps (410) and at least one timestamp of the second timestamps (420) with the periodicity; and generate (340) the signal (635) indicating the stroke speed and the stroke length from the periodicity and the target duty cycle ratio, wherein the sensor probe (130), the target (140), and the piston (110) are located in relation to each other, so that the target (140) is moved from being absent (430) from the sensor probe (130) to being present at the sensor probe (130) when the piston (110) travels towards the top dead centre position, and so that the target (140) is moved from being present (440) at the sensor probe (130) to being absent (430) from the sensor probe (130) when the piston (110) travels towards the bottom dead centre position.

Anmelder

Firmen

Hanon Systems
TE Connectivity Germany GmbH

Land

🇰🇷 Südkorea

Fachgebiete