Aspects of the disclosure relate to providing a pulse control to a ball valve to reduce the amount of torque required to adjust the position of the ball valve. In an aspect, the technology relates to a method for reducing resistance of a ball valve. The method includes generating a pulse having a duration and a polarity; providing the pulse to an actuator configured to rotate a ball of the ball valve; and rotating, by the actuator, the ball of the ball valve by an amount based on the duration of the pulse and a direction based on the polarity of the pulse, wherein the ball valve does not change state after rotation of the ball.

A valve rotating device has an annular main body, an annular cover body, and an annular axial spring element. The main body has multiple pockets of variable depth so that raceways are formed for balls situated therein, wherein tangential springs press the balls against ends of the pockets in the circumferential direction. The cover body is rotatable relative to the main body about an axis and is axially displaceable, and has an annular first support element, an annular second support element, and a connection, wherein the support elements are axially spaced apart from one another and the connection connects the support elements so that they are fixed relative to one another. The axial spring element at a first end rests on an annular stop surface of the main body, and at a second end rests on a surface of the first support element, wherein the axial spring element is situated between the first support element and the second support element. A surface of the second support element facing away from the axial spring element rests against the balls, and the balls and the axial spring element are arranged in an overlapping manner in the axial direction.

A valve rotating device has an annular main body, an annular cover body, and an annular axial spring element. The main body has multiple pockets of variable depth so that raceways are formed for balls situated therein, wherein tangential springs press the balls against ends of the pockets in the circumferential direction. The cover body is rotatable relative to the main body about an axis and is axially displaceable, and has an annular first support element, an annular second support element, and a connection, wherein the support elements are axially spaced apart from one another and the connection connects the support elements so that they are fixed relative to one another. The axial spring element at a first end rests on an annular stop surface of the main body, and at a second end rests on a surface of the first support element, wherein the axial spring element is situated between the first support element and the second support element. A surface of the second support element facing away from the axial spring element rests against the balls, and the balls and the axial spring element are arranged in an overlapping manner in the axial direction.

A fluid regulator includes a poppet valve within a flow path that selectively allows a flow of fluid to move from an inlet to an outlet. A threaded regulating interface adjusts a spring tension exerted toward the poppet valve and defines a regulated flow of the fluid through the flow path. A fluid purge mechanism is positioned within the threaded regulating interface. The fluid purge mechanism operates along a rotational axis of the threaded regulating interface and adjusts a boundary of the flow path and manipulates the poppet valve to a maximum operating position to define a purging flow of the fluid. A programmable logic controller cooperates with the powered actuator and a pressure sensor to define a closed-loop interface that adjusts the regulated flow of the fluid through the flow path.

A fluid regulator includes a poppet valve within a flow path that selectively allows a flow of fluid to move from an inlet to an outlet. A threaded regulating interface adjusts a spring tension exerted toward the poppet valve and defines a regulated flow of the fluid through the flow path. A fluid purge mechanism is positioned within the threaded regulating interface. The fluid purge mechanism operates along a rotational axis of the threaded regulating interface and adjusts a boundary of the flow path and manipulates the poppet valve to a maximum operating position to define a purging flow of the fluid. A programmable logic controller cooperates with the powered actuator and a pressure sensor to define a closed-loop interface that adjusts the regulated flow of the fluid through the flow path.

The invention relates to a feed-through comprising a terminal for a metal-ion electrochemical accumulator, produced through an orifice emerging either side of a wall comprising two opposite faces, comprising: a closure means in abutment against the chamfer of at least one through passage forming a seat inside the feed-through; a compression means housed in the through duct, the compression means being adapted to keep the closure means pressed against its seat along a continuous peripheral surface, up to a predetermined pressure of the gases prevailing inside the accumulator, beyond which pressure said gases may escape towards the outside of the accumulator through the passage and the through duct.

The invention relates to a feed-through comprising a terminal for a metal-ion electrochemical accumulator, produced through an orifice emerging either side of a wall comprising two opposite faces, comprising: a closure means in abutment against the chamfer of at least one through passage forming a seat inside the feed-through; a compression means housed in the through duct, the compression means being adapted to keep the closure means pressed against its seat along a continuous peripheral surface, up to a predetermined pressure of the gases prevailing inside the accumulator, beyond which pressure said gases may escape towards the outside of the accumulator through the passage and the through duct.

A valve unit may include a valve and a sensor assembly coupled to the valve. The valve may include a check disk configured to move along a pre-determined path to contact a valve seat in a closed state and configured to decouple from the valve seat in an open state. The valve may also include a mechanism to restrain lateral movement of the check disk to prevent the check disk from sticking. The sensor assembly may include a position sensor configured to generate a first electrical signal related to movement of the check disk and may include circuitry coupled to the position sensor. The position sensor assembly may generate a reference signal to eliminate noise within the first electrical signal. The circuitry may determine fluid flow parameters including flow volume of liquid components and of gas components of the fluid mixture based on frequency components within the first electrical signal.

A valve unit may include a valve and a sensor assembly coupled to the valve. The valve may include a check disk configured to move along a pre-determined path to contact a valve seat in a closed state and configured to decouple from the valve seat in an open state. The valve may also include a mechanism to restrain lateral movement of the check disk to prevent the check disk from sticking. The sensor assembly may include a position sensor configured to generate a first electrical signal related to movement of the check disk and may include circuitry coupled to the position sensor. The position sensor assembly may generate a reference signal to eliminate noise within the first electrical signal. The circuitry may determine fluid flow parameters including flow volume of liquid components and of gas components of the fluid mixture based on frequency components within the first electrical signal.

A serviceable valve carousel system may include a valve carousel housing having a valve carousel receiver, a valve service port, an integrated first port adapter, and an integrated second port adapter. A rotatable valve carousel may be rotatably disposed within the valve carousel housing. The rotatable valve carousel may include a substantially cylindrical portion, a removable valve lumen, a valve cap receiver, and a removable valve cap having a substantially radiused portion compatible with a substantially radiused portion of the substantially cylindrical portion of the rotatable valve carousel. The rotatable valve carousel is rotatable between a first state that allows fluid communication through a removable valve at least partially disposed within the removable valve lumen and a second state that allows the removable valve cap and removable valve to be removed and replaced via the valve service port without use of tools while maintaining a sewage connection.