Inergy Automotive Systems Research (societe Anonyme)

Plastic Omnium Advanced Innovation and Research

Inergy Automotive Systems Research (s.a.)

Inergy Automotive Systems Research

Inergy Automotive Systems Research (societe Anonym)

Inergy Automotive Systems Research (sociate Anonyme)

David Hill

Bjorn Criel

Antoine Chaussinand

Vincent Cuvelier

Saurin Mehta

Jules-Joseph Van Schaftingen

James Edward Thompson

Scott McCleary

Paul Daniel Reuther

Scott Garabedian

Eric Grant

Dominique Madoux

Sebastien Jouie

Eric Boucaux

Philippe Bournonville

Joseph Douglas Chiasson

Pierre Lacome

Philippe Coulon

Robert Roland Cummer

Jean-Claude Mur

Benoit Devaux

Mihai Baja

Jurgen Dedeurwaerder

Ron Behar

Dave Dirkson

Jean-Marc Toussaint

Yazid Belkhelfa

Josh Butler

Ed Furmanczyk

Remi Thebault

Antonin Rohr

Wilfried Lemasson

Ryan McCleary

Kevin Slusser

Rémi Thebault

Sébastien Jouie

A fuel system having a fuel tank, a filler pipe for adding liquid fuel, a carbon canister for collecting fuel vapors from the fuel tank during a refueling operation, a stepper motor and a stepper driven valve for controlling fluid communication between the fuel tank and the canister, where the valve is configured to be positionable in a closed position, an open position creating a passageway with a first size, and one or more intermediate positions each creating a passageway with a size which is smaller than the first size and having a moving element, movable relative to a valve opening between a closed position and an opened position, the moving element having: a sealing means for making a leak tight seal and, a deflecting means for controlling the fluid flow, where the deflecting means protrudes inside the valve opening and is adapted to be located upstream relative to sealing means.

Stepper driven valve for controlling fluid communication between a fuel tank and a canister

A valve, controlling pressure differential by regulating fluid flow between a tank and a canister, includes: a valve opening; a first moving element carrying a first sealing device making a leaktight seal and movable relative to the valve opening between a closed and an opened position allowing a first flow between the tank and the canister, through a first passageway with a first size; a second moving element carrying a second sealing device making a leaktight seal and movable relative to the valve opening between a closed and an opened position allowing a second flow between the tank and the canister, through a second passageway with a second size. The second moving element includes a central hole having a frustoconical surface partly defining the first passageway. The first sealing device has a complementary frustoconical surface cooperating with the frustoconical surface of the central hole of the second moving element.

Valve for controlling a pressure differential

Fuel tank () having: a wall () defining an internal volume () of the tank, and a temperature sensor () located inside the internal volume of the tank and at least partially enveloped with a material () having a thermal diffusivity comprised between 2&#xd7;10and 2&#xd7;10m/s at 20&#xb0; C. The temperature sensor measure an internal tank temperature, such as a vapor dome temperature.

Fuel tank comprising a temperature sensor

A module () for use in a vehicle fuel system, said module comprising a housing () having a first port (), a second port () and a passage () between the first port and the second port; a closure body () that is moveably arranged in said housing; wherein said closure body is configured for closing the passage between the first port and the second port in a first position of the closure body and for allowing access to the passage in a second position of the closure body; and a pump () that is integrated in said housing (), wherein said pump () communicates with the first port () and is configured for pumping fluid into or out of the first port () while the closure body () is in the first position, characterized in that the module () further comprises a motor () and a closure body actuator () configured for positioning the closure body () in at least the first position and the second position, wherein said closure body actuator is driven by said motor (), and said motor is configured for driving the pump () while the closure body is in the first position.

Vehicle fuel system with vapour control

The fuel tank () comprises: an electronical board, a first sensor connected to the electronical board, the first sensor being a pressure sensor, a pressure port () forming a hole through a wall () of the tank, at least one second sensor () extending fully inside the tank, and a connector () connecting the second sensor to the electronical board through the pressure port, a first part () of the connector being connected to the second sensor by at least one first wire () and a second part () of the connector being connected to the electronical board by at least one second wire ().

Tank comprising a pressure sensor and another sensor

Determining the thermodynamic state of fuel includes opening the venting connection to release the tank pressure while monitoring the derivative pressure (dP/dt), closing the venting connection when one of the following conditions is met, the derivative pressure (dP/dt) is lower than a predetermined threshold DP1 or the opening time &#x394;t1 reaches a predetermined value, if the closing of the venting connection occurs when the opening time &#x394;t1 reaches the said predetermined value, determining that the fuel is boiling and aborting the method if the closing of the venting connection occurs when the derivative pressure (dP/dt) is lower than the said threshold DP1, measuring an initial tank pressure at the closing of the venting connection, measuring the final tank pressure after a closure time &#x394;t2, calculating the pressure variation (&#x394;P/&#x394;t2), comparing the pressure variation (&#x394;P/&#x394;t2) with a first threshold PV1, if the pressure is lower then aborting the method.

Method for determining the thermodynamic state of the fuel in a fuel system

A method for controlling a filling operation of a vehicular liquid storage system including a tank including a fill level limiting valve. The method includes: detecting start of a first filling event; measuring a first fill level of the tank; verifying whether the measured first fill level has reached a predetermined fill level; if the verifying is positive, starting a first timer for a first amount of time; upon expiry of the first timer, closing the fill level limiting valve.

Method for controlling a filling operation of a vehicular liquid storage system

A vehicular liquid containment system including a tank, a pressure sensor arranged to detect a pressure in a vapor dome inside the tank, at least two thermistors configured to detect temperatures at a plurality of levels of the tank, and leak detection logic operatively connected to the pressure sensor and the thermistors. The leak detection logic is configured to: use a first thermistor of the thermistors to perform a first measurement indicative of a temperature in the vapor dome in the tank; estimate an expected pressure evolution in function of at least the first temperature measurement; monitor pressure sensed by the pressure sensor, determine whether the monitored pressure deviates from the expected pressure evolution, and generate a leak condition signal conditional on the determining.

Vehicular liquid containment system and method for verifying integrity of same

A vapour recovery system recovers vapour coming from a vehicle tank. The system includes a valve that is positionable in a closed position, an open position creating a passageway with a first size, and one or more intermediate positions each creating a passageway with a size smaller than the first size. The system also includes an electronic controller to control an actuator to position the valve in a sequence of positions over time. The sequence includes at least one of the intermediate positions during a time period larger than 1 second. The valve is arranged in a line of the vapour recovery system between a vapour outlet of the vehicle tank and the atmosphere. The actuator is a stepper-motor based linear actuator. The controlling includes selecting at least one intermediate position, and the selection includes selecting a number of steps to be set from a predetermined reference position.

Vapour recovery system and vapour control method

A method for controlling a pressure inside a fuel tank system on board a vehicle, the fuel tank system having a fuel tank and a venting circuit having at least one controllable pressure relief valve, the vehicle having a source of energy adapted to activate said at least one pressure relief valve so as to move it from a closed position to a pressure relief position. The method entails: detecting a key off event indicative of the vehicle shut-down; determining an amount of energy available at the source of energy; starting at least one pressure relief operation by verifying whether the amount of energy available is lower than a first predetermined threshold amount and, if the verification is positive, activating the at least one pressure relief valve; and terminating the at least one pressure relief operation.

Method for controlling a pressure inside a fuel tank system

A method for determining the volatility of fuel in a fuel storage system which entails: determining that a refueling event has occurred () and that the fuel storage system has subsequently been sealed (); performing a first pressure measurement () at a first time after the determining; performing a second pressure measurement () at a second time, the second time occurring after the first time; determining a pressure evolution rate () from the first pressure measurement at the first time and the second pressure measurement at the second time; and deriving an estimation () of the volatility of the fuel from the pressure evolution rate.

Method and system for determining the volatility of a fuel

A method for controlling a filling operation of a vehicular liquid storage system including a tank equipped with a filler pipe and a shut-off valve, the method including detecting the start of a refilling event; while the shut-off valve is open, observing whether a measured fill level of the tank has reached a predetermined fill level; if the predetermined fill level has been reached, performing the following steps: closing the shut-off valve to induce a shut-off of a filling nozzle; when a first pressure criterion is met, opening the shut-off valve; and when a second pressure criterion is met, closing the shut-off valve. The second pressure criterion includes a decrease of pressure inside the tank below a predetermined pressure level.

Method and system for controlling a filling operation of a vehicular liquid storage system

It is proposed a method for detecting a leak in a fuel system of a combustion engine comprising a fuel tank. The method is such that it comprises the steps of:

Method and system for detecting a leak in a fuel system

A valve apparatus for use in an interior of a fuel tank, a fuel tank including the valve apparatus, and a motor vehicle including the fuel tank. The valve apparatus includes a substantially flat housing defining a channel between an inlet orifice and an outlet orifice, and a membrane arranged to seal the channel. The membrane is configured to be impermeable to liquid fuel and permeable to fuel vapor.

Solid state venting valve for a fuel tank

A fuel tank having two opposite wall portions and at least one reinforcing element connecting these two wall portions, such reinforcing element comprising at least two parts linked by at least one rotating link.

Growing community of inventors

Commerce Township, MI, United States of America

David Hill