Pin valve assembly
First Claim
Patent Images
1. A pin valve assembly comprising:
- a pin block housing a valve pin configured for axial movement, the valve pin constructed and arranged for at least one of a load stage and an inject stage of a chromatography operation;
a fluid plate with a fluid channel for fluidically communicating with the valve pin, the fluid plate having a first outer surface and a second outer surface opposite the first outer surface, the fluid plate including a pin valve seat that intersects the fluid channel between a first portion of the fluid channel and a second portion of the fluid channel, wherein the fluid plate includes a smooth cylindrical surface extending from the second surface and the pin valve seat extends from the smooth cylindrical surface, the pin valve seat in alignment with the pin block housing to receive the valve pin; and
a fitting block housing a fitting for fluidic communication with the fluid plate, wherein the fitting block engages the entire first outer surface of the fluid plate and the pin block engages the entire second surface of the fluid plate,wherein, when the valve pin is seated in the pin valve seat, the first and second portions of the fluid channel are blocked from fluidically communicating with each other.
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Accused Products
Abstract
A pin valve assembly and a method of controlling the flow of fluids comprising a pin block housing pin valves, a fluid plate with a fluid channel for fluidically communicating with the pin valves, and a fitting block housing fittings for fluidic communication with the fluid plate and for fluidic communication with fluidic components. The fluid flow through the channels of the fluid plate are controlled by the fluidic components and the pin valves.
36 Citations
21 Claims
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1. A pin valve assembly comprising:
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a pin block housing a valve pin configured for axial movement, the valve pin constructed and arranged for at least one of a load stage and an inject stage of a chromatography operation; a fluid plate with a fluid channel for fluidically communicating with the valve pin, the fluid plate having a first outer surface and a second outer surface opposite the first outer surface, the fluid plate including a pin valve seat that intersects the fluid channel between a first portion of the fluid channel and a second portion of the fluid channel, wherein the fluid plate includes a smooth cylindrical surface extending from the second surface and the pin valve seat extends from the smooth cylindrical surface, the pin valve seat in alignment with the pin block housing to receive the valve pin; and a fitting block housing a fitting for fluidic communication with the fluid plate, wherein the fitting block engages the entire first outer surface of the fluid plate and the pin block engages the entire second surface of the fluid plate, wherein, when the valve pin is seated in the pin valve seat, the first and second portions of the fluid channel are blocked from fluidically communicating with each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification