Impulse-based valve actuation system

The valve actuation system uses a sequence of discrete impulses between three moving bodies to achieve rapid and controlled valve transitions, addressing energy losses and flow inefficiencies in reciprocating machines by enhancing kinetic energy transfer and momentum exchange.

WO2026146289A1PCT designated stage Publication Date: 2026-07-09CHEESECAKE ENERGY LTD +4
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
CHEESECAKE ENERGY LTD
Filing Date
2026-01-05
Publication Date
2026-07-09

AI Technical Summary

Technical Problem

Existing valve actuation systems in reciprocating machines face challenges in achieving rapid and controlled transitions between open and closed positions, leading to significant energy losses and flow inefficiencies due to limitations in actuation speed and controllability.

Method used

A valve actuation system utilizing a sequence of discrete impulses transmitted between three moving bodies over finite time intervals, including an opening body, closing body, and valve body, with mass symmetry and resilient elements to achieve efficient and controlled valve motion.

Benefits of technology

The system enables rapid and controlled valve transitions with reduced energy losses, allowing for efficient kinetic energy transfer and momentum exchange, thereby improving the performance of reciprocating machines.

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Abstract

A valve actuation system is disclosed in which a valve body (2) is actuated between a valve-closed position and a valve-open position by impulse-based transfer of energy and momentum between three movable bodies An opening body (1) is driven by an opening means (10) to engage the valve body (2) and transmit a commence-opening impulse over a first finite time interval, thereby driving the valve body away from the valve-closed position. At the valve-open position, the valve body (2) engages a closing body (3) to transmit a conclude-opening impulse. The closing body (3) is arrested and reversed by a closing means (30) and subsequently re-engages the valve body (2) to transmit a commence-closing impulse, driving the valve body back toward the valve-closed position. Arrest of the valve body (2) at the valve-closed position transmits a conclude-closing impulse to the opening body (1), completing a cyclic actuation sequence. Engagement may occur via resilient elements (12, 23), enabling rapid and controllable valve actuation with reduced energy losses.
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