Abstract: A pressure regulator apparatus usable with an aerosol supply device containing a fluid includes an inflatable diaphragm unit including an upper surface member, a lower surface member, and a diaphragm chamber formed between the upper surface member and the lower surface member, an output port member having an output cavity and an output port, at least a portion of the output port member is disposed within and in fluid communication with the diaphragm chamber, a valve actuator including an actuator cavity and one or more actuator openings in fluid communication with the output port, at least a portion of the valve actuator is moveably disposed within the output cavity, an input port member having an input port configured to allow the fluid to enter the actuator cavity, at least a portion of the input port member is disposed proximate to the actuator cavity, and an axial flow path extending between the input port and the output port, and configured to allow the fluid to selectively pass in a substantially axial

Abstract: A pressure regulator apparatus usable with an aerosol supply device containing a fluid includes an inflatable diaphragm unit including an upper surface member, a lower surface member, and a diaphragm chamber formed between the upper surface member and the lower surface member, an output port member having an output cavity and an output port, at least a portion of the output port member is disposed within and in fluid communication with the diaphragm chamber, a valve actuator including an actuator cavity and one or more actuator openings in fluid communication with the output port, at least a portion of the valve actuator is moveably disposed within the output cavity, an input port member having an input port configured to allow the fluid to enter the actuator cavity, at least a portion of the input port member is disposed proximate to the actuator cavity, and an axial flow path extending between the input port and the output port, and configured to allow the fluid to selectively pass in a substantially axial

Abstract: Embodiments of an apparatus including a rolling contact bearing are disclosed.

Abstract: Techniques are disclosed for improving pressure sensor shock robustness in fluid containment devices by providing a mechanical filter configured to prevent high-frequency pressure shocks from damaging the pressure sensor. One approach includes a body of elastomeric material disposed on an external surface of the sensor. Another approach is a porous plug in a fluid pathway leading to the sensor. Yet another approach is to provide a seal structure with a labyrinth fluid path.

Abstract: A method of supplying liquid ink to a printhead assembly including a carrier, a printhead die mounted on the carrier, and a fluid delivery assembly communicated with the carrier includes communicating a fluid manifold of the carrier with the printhead die, communicating the fluid delivery assembly with the fluid manifold of the carrier, and filling the fluid delivery assembly with a quantity of the liquid ink, including purging air from the fluid delivery assembly through a filter, wherein the filter includes a frame having an opening and a fluid passage communicated with the opening formed therein, filter material enclosing the opening and the fluid passage of the frame, first and second fluid ports communicated with the fluid passage, and a permeable material communicated with the first fluid port.

Abstract: Example embodiments of pressure sensors are illustrated and described.

Abstract: One embodiment of a leak detection structure includes a sensor having a leak detection surface and a wicking structure positioned adjacent the leak detection surface, the wicking structure adapted for wicking a fluid onto the leak detection surface.

Abstract: Damage is prevented in printing systems by allowing fluid from the printing system's fluid delivery system to expand. In one embodiment, this is accomplished by fluidly connecting a fluid expansion receptacle to the fluid delivery system. The fluid expansion receptacle provides volumetric compliance so that if printing fluid in the system expands, such as due to freezing, the fluid is able to expand into the fluid expansion receptacle and not damage the printing system.

Abstract: A method of supplying liquid ink to a printhead assembly including a carrier, a printhead die mounted on the carrier, and a fluid delivery assembly communicated with the carrier includes communicating a fluid manifold of the carrier with the printhead die, communicating the fluid delivery assembly with the fluid manifold of the carrier, and filling the fluid delivery assembly with a quantity of the liquid ink, including purging air from the fluid delivery assembly through a filter, wherein the filter includes a frame having an opening and a fluid passage communicated with the opening formed therein, filter material enclosing the opening and the fluid passage of the frame, first and second fluid ports communicated with the fluid passage, and a permeable material communicated with the first fluid port.

Abstract: A filter for a printhead assembly includes a frame having an opening and a fluid passage communicated with the opening formed therein, filter material enclosing the opening and the fluid passage of the frame, a first fluid port communicated with the fluid passage of the frame, a permeable material communicated with the first fluid port, and a second fluid port spaced from the first fluid port and communicated with the fluid passage of the frame.

Abstract: Example embodiments of pressure sensors are illustrated and described.

Abstract: Embodiments of an apparatus including a rolling contact bearing are disclosed.

Abstract: One embodiment of a leak detection structure includes a sensor having a leak detection surface and a wicking structure positioned adjacent the leak detection surface, the wicking structure adapted for wicking a fluid onto the leak detection surface.

Abstract: A labyrinth seal structure includes a gland structure for providing a fluid seal between a first surface and a second surface, and redundant labyrinth fluid flow paths between a first side of the seal structure and a second side of the seal structure.

Abstract: Techniques are disclosed for improving pressure sensor shock robustness in fluid containment devices by providing a mechanical filter configured to prevent high-frequency pressure shocks from damaging the pressure sensor. One approach includes a body of elastomeric material disposed on an external surface of the sensor. Another approach is a porous plug in a fluid pathway leading to the sensor. Yet another approach is to provide a seal structure with a labyrinth fluid path.

Abstract: Techniques are disclosed for improving pressure sensor shock robustness in fluid containment devices by providing a mechanical filter configured to prevent high-frequency pressure shocks from damaging the pressure sensor. One approach includes a body of elastomeric material disposed on an external surface of the sensor. Another approach is a porous plug in a fluid pathway leading to the sensor. Yet another approach is to provide a seal structure with a labyrinth fluid path.

Abstract: A filter for a printhead assembly includes a frame having an opening and a fluid passage communicated with the opening formed therein, filter material enclosing the opening and the fluid passage of the frame, a first fluid port communicated with the fluid passage of the frame, a permeable material communicated with the first fluid port, and a second fluid port spaced from the first fluid port and communicated with the fluid passage of the frame.

Abstract: Techniques are disclosed for improving pressure sensor shock robustness in fluid containment devices by providing a mechanical filter configured to prevent high-frequency pressure shocks from damaging the pressure sensor. One approach includes a body of elastomeric material disposed on an external surface of the sensor. Another approach is a porous plug in a fluid pathway leading to the sensor. Yet another approach is to provide a seal structure with a labyrinth fluid path.

Abstract: An ink system is disclosed which includes a broken bag sensing feature for use with conductive ink. The ink system preferably includes an ink containment bag with a metallized layer insulated from the bag interior; a first electrical contact with the metallized layer; a second electrical contact communicating with conductive ink contained within the ink containment bag; an electrical connection between the first and second electrical contacts; and a measurement device for measuring an electrical characteristic between the first and second contacts.

Abstract: An ink system is disclosed which includes a broken bag sensing feature for use with conductive ink. The ink system preferably includes an ink containment bag with a metallized layer insulated from the bag interior; a first electrical contact with the metallized layer; a second electrical contact communicating with conductive ink contained within the ink containment bag; an electrical connection between the first and second electrical contacts; and a measurement device for measuring an electrical characteristic between the first and second contacts.