Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F02Combustion engines F02DCONTROLLING COMBUSTION ENGINES F02D13/00Controlling the engine output power by varying inlet or exhaust valve operating characteristics

Current Industry

F02D13/0253Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Adaptive any-fuel camless reciprocating engine
- Patent number 12,173,664
- Issue date Dec 24, 2024
- The Regents of the University of California
- Raymond Mitchell Spearrin
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method for controlling lubrication of a connecting rod bearing
- Patent number 11,852,056
- Issue date Dec 26, 2023
- Volvo Truck Corporation
- Arne Andersson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal combustion engine comprising a decentralized valve-control...
- Patent number 11,788,479
- Issue date Oct 17, 2023
- Freevalve AB
- Lars Ivarsson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Camless engine
- Patent number 11,725,548
- Issue date Aug 15, 2023
- L&T TECHNOLOGY SERVICES LIMITED
- Murtuza Gunderwala
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronic valve control
- Patent number 11,459,962
- Issue date Oct 4, 2022
- SPARKCOGNITTON, INC.
- Sridhar Sudarsan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Methods and systems for a vehicle
- Patent number 11,248,542
- Issue date Feb 15, 2022
- Ford Global Technologies, LLC
- Helmut Ruhland
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Adaptive any-fuel camless reciprocating engine
- Patent number 11,225,917
- Issue date Jan 18, 2022
- The Regents of the University of California
- Raymond Mitchell Spearrin
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Camless engine valve control system
- Patent number 11,162,436
- Issue date Nov 2, 2021
- JHYAGER CONSULTING L.L.C.
- James Henry Yager
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Pneumatic system for an internal combustion engine
- Patent number 11,125,124
- Issue date Sep 21, 2021
- Volvo Truck Corporation
- Staffan Lundgren
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hydraulic early engine exhaust valve opening system
- Patent number 10,641,140
- Issue date May 5, 2020
- Caterpillar Inc.
- Craig Phillip Hittle
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method for controlling valve timing of continuous variab...
- Patent number 10,634,067
- Issue date Apr 28, 2020
- Hyundai Motor Company
- In Sang Ryu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Camless engine design
- Patent number 10,612,433
- Issue date Apr 7, 2020
- James Henry Yager
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for a diesel engine and diesel engine
- Patent number 10,570,817
- Issue date Feb 25, 2020
- HEDMAN, ERICSSON PATENT AB
- Mats Hedman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control apparatus for internal combustion engine and control method...
- Patent number 10,473,040
- Issue date Nov 12, 2019
- Toyota Jidosha Kabushiki Kaisha
- Shigeki Miyashita
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System for variable actuation of a valve of an internal-combustion...
- Patent number 10,364,712
- Issue date Jul 30, 2019
- C.R.F. Societa Consortile per Azioni
- Marco Lucatello
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Combustion engine as well as method for engine braking using such a...
- Patent number 10,344,683
- Issue date Jul 9, 2019
- Freevalve AB
- Anders Hoglund
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Systems and methods for a split exhaust engine system
- Patent number 10,330,001
- Issue date Jun 25, 2019
- Ford Global Technologies, LLC
- Thomas G. Leone
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Oil supply control device of engine
- Patent number 10,316,710
- Issue date Jun 11, 2019
- Mazda Motor Corporation
- Masanori Hashimoto
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method and control unit for carrying out a gas exchange in a cylind...
- Patent number 10,302,023
- Issue date May 28, 2019
- Volkswagen Aktiengesellschaft
- René Kleinhans
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Controller for internal combustion engine and method for controllin...
- Patent number 10,260,449
- Issue date Apr 16, 2019
- Toyota Jidosha Kabushiki Kaisha
- Masanori Toya
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Bypass valve for pressure oscillation control
- Patent number 10,233,795
- Issue date Mar 19, 2019
- Schaeffler Technologies AG & Co. KG
- John Stallmann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Variable valve lift diagnostic systems and methods using cam phaser...
- Patent number 9,810,161
- Issue date Nov 7, 2017
- GM Global Technology Operations LLC
- Victor A. Fiorini
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Solenoid actuator
- Patent number 9,799,437
- Issue date Oct 24, 2017
- Denso Corporation
- Ichiro Kato
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Control device for internal combustion engine
- Patent number 9,567,938
- Issue date Feb 14, 2017
- Toyota Jidosha Kabushiki Kaisha
- Sachio Mori
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Solenoid actuator
- Patent number 9,552,916
- Issue date Jan 24, 2017
- DENSO CORPORATION
- Ichiro Kato
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Cylinder pressure based pump control systems and methods
- Patent number 9,239,015
- Issue date Jan 19, 2016
- GM Global Technology Operations LLC
- Joel Cowgill
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Oil control valve and variable valve lift system provided with the...
- Patent number 9,115,652
- Issue date Aug 25, 2015
- Hyundai Motor Company
- Byong Young Choi
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Engine efficiency system for a vehicle and method of operating an e...
- Patent number 9,080,522
- Issue date Jul 14, 2015
- GM Global Technology Operations LLC
- Thomas A. Spix
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fully flexible exhaust valve actuator control systems and methods
- Patent number 9,002,623
- Issue date Apr 7, 2015
- GM Global Technology Operations LLC
- Joel Cowgill
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Multi-cylinder internal combustion engine, with a system for variab...
- Patent number 8,910,599
- Issue date Dec 16, 2014
- CRF Societa Consortile per Azioni
- Fabio Borean
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
ADAPTIVE ANY-FUEL CAMLESS RECIPROCATING ENGINE
- Publication number 20230383705
- Publication date Nov 30, 2023
- The Regents of the University of California
- Raymond Mitchell Spearrin
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTERNAL COMBUSTION ENGINE COMPRISING A DECENTRALIZED VALVE-CONTROL...
- Publication number 20230103945
- Publication date Apr 6, 2023
- FREEVALVE AB
- Lars IVARSSON
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
ADAPTIVE ANY-FUEL CAMLESS RECIPROCATING ENGINE
- Publication number 20220170423
- Publication date Jun 2, 2022
- The Regents of the University of California
- Raymond Mitchell Spearrin
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CAMLESS ENGINE VALVE CONTROL SYSTEM
- Publication number 20210207545
- Publication date Jul 8, 2021
- James Henry Yager
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
METHOD FOR CONTROLLING LUBRICATION OF A CONNECTING ROD BEARING
- Publication number 20210079818
- Publication date Mar 18, 2021
- VOLVO TRUCK CORPORATION
- Arne ANDERSSON
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
A PNEUMATIC SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
- Publication number 20200347757
- Publication date Nov 5, 2020
- VOLVO TRUCK CORPORATION
- Staffan LUNDGREN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CAMLESS ENGINE DESIGN
- Publication number 20180363516
- Publication date Dec 20, 2018
- James Henry Yager
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Hydraulic Early Engine Exhaust Valve Opening System
- Publication number 20180328240
- Publication date Nov 15, 2018
- Caterpillar Inc.
- Craig Phillip Hittle
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD...
- Publication number 20180274454
- Publication date Sep 27, 2018
- Toyota Jidosha Kabushiki Kaisha
- Shigeki Miyashita
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR CONTRO...
- Publication number 20180258872
- Publication date Sep 13, 2018
- Honda Motor Co., Ltd.
- Masaya AGATA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
BYPASS VALVE FOR PRESSURE OSCILLATION CONTROL
- Publication number 20180230867
- Publication date Aug 16, 2018
- John STALLMANN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VARIABLE VALVE APPARATUS
- Publication number 20170167411
- Publication date Jun 15, 2017
- Hyundai Motor Company
- Gisoo HYUN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VARIABLE VALVE LIFT DIAGNOSTIC SYSTEMS AND METHODS USING CAM PHASER...
- Publication number 20160090932
- Publication date Mar 31, 2016
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- VICTOR A. FIORINI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
- Publication number 20150322881
- Publication date Nov 12, 2015
- Toyota Jidosha Kabushiki Kaisha
- Sachio MORI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VARIABLE VALVE LIFT DIAGNOSTIC TECHNIQUES USING AN INTAKE MANIFOLD...
- Publication number 20150167560
- Publication date Jun 18, 2015
- Zhijian James Wu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEM AND METHOD FOR SAFE VALVE ACTIVATION IN A DYNAMIC SKIP FIRIN...
- Publication number 20150075458
- Publication date Mar 19, 2015
- Tula Technology Inc.
- John W. PARSELS
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTERNAL COMBUSTION ENGINE
- Publication number 20140331973
- Publication date Nov 13, 2014
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa Matsuda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
System and method for controlling variable valve time
- Publication number 20140290603
- Publication date Oct 2, 2014
- Jiangsu Gongda Power Technologies Co., Ltd.
- Zheng LOU
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD AND SYSTEM FOR IMPROVING ENGINE STARTING
- Publication number 20140251267
- Publication date Sep 11, 2014
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Sam Hashemi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Hydraulic Engine with One or More of Improved Transmission Control,...
- Publication number 20140165963
- Publication date Jun 19, 2014
- J. Michael Langham
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD AND SYSTEM FOR INTERNAL COMBUSTION ENGINE
- Publication number 20140109850
- Publication date Apr 24, 2014
- Itzhak GONIGMAN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE EFFICIENCY SYSTEM FOR A VEHICLE AND METHOD OF OPERATING AN E...
- Publication number 20140107908
- Publication date Apr 17, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Thomas A. Spix
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FULLY FLEXIBLE EXHAUST VALVE ACTUATOR CONTROL SYSTEMS AND METHODS
- Publication number 20140039776
- Publication date Feb 6, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Joel Cowgill
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CYLINDER PRESSURE BASED PUMP CONTROL SYSTEMS AND METHODS
- Publication number 20130245913
- Publication date Sep 19, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Joel Cowgill
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
- Publication number 20130239917
- Publication date Sep 19, 2013
- Toyota Jidosha Kabushiki Kaisha
- Takashi Nishikiori
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ELECTROHYDRAULIC VALVE ACTUATOR WITH RECIPROCATING CAM
- Publication number 20130074790
- Publication date Mar 28, 2013
- Vianney Rabhi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTAKE/EXHAUST VALVE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
- Publication number 20130014715
- Publication date Jan 17, 2013
- Toyota Jidosha Kabushiki Kaisha
- Yasuhito Imai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
OIL CONTROL VALVE AND VARIABLE VALVE LIFT SYSTEM PROVIDED WITH THE...
- Publication number 20120291889
- Publication date Nov 22, 2012
- Unick Corporation
- Byong Young CHOI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
MULTI-CYLINDER INTERNAL COMBUSTION ENGINE, WITH A SYSTEM FOR VARIAB...
- Publication number 20120260872
- Publication date Oct 18, 2012
- C.R.F. Societa Consortile per Azioni
- Fabio BOREAN
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Device And Method Configured To Control Valve Operation In A Piston...
- Publication number 20120240887
- Publication date Sep 27, 2012
- ROBERT BOSCH GmbH
- David Cook
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Adaptive any-fuel camless reciprocating engine

Method for controlling lubrication of a connecting rod bearing

Internal combustion engine comprising a decentralized valve-control...

Camless engine

Electronic valve control

Methods and systems for a vehicle

Adaptive any-fuel camless reciprocating engine

Camless engine valve control system

Pneumatic system for an internal combustion engine

Hydraulic early engine exhaust valve opening system

System and method for controlling valve timing of continuous variab...

Camless engine design

Method for a diesel engine and diesel engine

Control apparatus for internal combustion engine and control method...

System for variable actuation of a valve of an internal-combustion...

Combustion engine as well as method for engine braking using such a...

Systems and methods for a split exhaust engine system

Oil supply control device of engine

Method and control unit for carrying out a gas exchange in a cylind...

Controller for internal combustion engine and method for controllin...

Bypass valve for pressure oscillation control

Variable valve lift diagnostic systems and methods using cam phaser...

Solenoid actuator

Control device for internal combustion engine

Solenoid actuator

Cylinder pressure based pump control systems and methods

Oil control valve and variable valve lift system provided with the...

Engine efficiency system for a vehicle and method of operating an e...

Fully flexible exhaust valve actuator control systems and methods

Multi-cylinder internal combustion engine, with a system for variab...

Patents Applicationslast 30 patents

ADAPTIVE ANY-FUEL CAMLESS RECIPROCATING ENGINE

INTERNAL COMBUSTION ENGINE COMPRISING A DECENTRALIZED VALVE-CONTROL...

ADAPTIVE ANY-FUEL CAMLESS RECIPROCATING ENGINE

CAMLESS ENGINE VALVE CONTROL SYSTEM

METHOD FOR CONTROLLING LUBRICATION OF A CONNECTING ROD BEARING

A PNEUMATIC SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

CAMLESS ENGINE DESIGN

Hydraulic Early Engine Exhaust Valve Opening System

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD...

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR CONTRO...

BYPASS VALVE FOR PRESSURE OSCILLATION CONTROL

VARIABLE VALVE APPARATUS

VARIABLE VALVE LIFT DIAGNOSTIC SYSTEMS AND METHODS USING CAM PHASER...

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

VARIABLE VALVE LIFT DIAGNOSTIC TECHNIQUES USING AN INTAKE MANIFOLD...

SYSTEM AND METHOD FOR SAFE VALVE ACTIVATION IN A DYNAMIC SKIP FIRIN...

INTERNAL COMBUSTION ENGINE

System and method for controlling variable valve time

METHOD AND SYSTEM FOR IMPROVING ENGINE STARTING

Hydraulic Engine with One or More of Improved Transmission Control,...

METHOD AND SYSTEM FOR INTERNAL COMBUSTION ENGINE

ENGINE EFFICIENCY SYSTEM FOR A VEHICLE AND METHOD OF OPERATING AN E...

FULLY FLEXIBLE EXHAUST VALVE ACTUATOR CONTROL SYSTEMS AND METHODS

CYLINDER PRESSURE BASED PUMP CONTROL SYSTEMS AND METHODS

CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

ELECTROHYDRAULIC VALVE ACTUATOR WITH RECIPROCATING CAM

INTAKE/EXHAUST VALVE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

OIL CONTROL VALVE AND VARIABLE VALVE LIFT SYSTEM PROVIDED WITH THE...

MULTI-CYLINDER INTERNAL COMBUSTION ENGINE, WITH A SYSTEM FOR VARIAB...

Device And Method Configured To Control Valve Operation In A Piston...