Abstract: A ventilation system operates in one of a plurality of modes for communicating ventilation information with a computing device, and operating parameters of a ventilation device are remotely modified based on system data. Ventilation data is received from a ventilation device and an alarm associated with the ventilation device or the patient associated with the ventilation device is determined based on at least a portion of the ventilation data. Responsive to determining the alarm, the alarm is transmitted to the computing device before the ventilator data is transmitted to the computing device.

Abstract: A blade for a comminution machine includes a first attack face facing in a first direction to perform comminution when the blade is rotated about an axis of rotation in a first direction. The blade also includes a second attack face facing in a second direction to perform comminution when the blade is rotated about the axis of rotation in a second direction substantially opposite to the first direction. A radial exterior of the first attack face and a radial exterior of the second attack face are connected along an arc subtending at least 30 degrees and less than 110 degrees with respect to the axis of rotation.

Abstract: A blade for a comminution machine includes a first attack face facing in a first direction to perform comminution when the blade is rotated about an axis of rotation in a first direction. The blade also includes a second attack face facing in a second direction to perform comminution when the blade is rotated about the axis of rotation in a second direction substantially opposite to the first direction. A radial exterior of the first attack face and a radial exterior of the second attack face are connected along an arc subtending at least 30 degrees and less than 110 degrees with respect to the axis of rotation.

Abstract: A blade (2) for a comminution machine of the type having interleaved counter-rotating blades (2) in the case of two shafts (1) or a single set of blades in the case of a single rotating shaft includes a carrier (20) with replaceable teeth (4) and wear plates (3). Each tooth (4) has to tooth tip (121) which projects from it and terminates in a bursting point (121), a forwardly raked receding surface (137) which recedes inwardly from the base of the tooth tip (121) and a receding surface (24) on the wear plates (3A, 3B) which extends inwardly from the base of the tooth (4) to a corner (9) at which it meets a trailing surface (24) on other wear plates (3C, 3D). Shear edges (83) are provided on the teeth (4), on the receding surfaces (24) where they meet the sides (22) of the wear plates (3A, 3D) and on the trailing surfaces where they meets the sides (22) of the wear plates (3C, 3D), and additional bursting points (149) may be provided on the receding surfaces.

Abstract: A blade (2) for a comminution machine of the type having interleaved counter-rotating blades (2) in the case of two shafts (1) or a single set of blades in the case of a single rotating shaft includes a carrier (20) with replaceable teeth (4) and wear plates (3). Each tooth (4) has to tooth tip (121) which projects from it and terminates in a bursting point (121), a forwardly raked receding surface (137) which recedes inwardly from the base of the tooth tip (121) and a receding surface (24) on the wear plates (3A, 3B) which extends inwardly from the base of the tooth (4) to a corner (9) at which it meets a trailing surface (24) on other wear plates (3C, 3D). Shear edges (83) are provided on the teeth (4), on the receding surfaces (24) where they meet the sides (22) of the wear plates (3A, 3D) and on the trailing surfaces where they meets the sides (22) of the wear plates (3C, 3D), and additional bursting points (149) may be provided on the receding surfaces.