Abstract: A firefighting pump transmission for use with an emergency vehicle pump comprising a housing receiving a drive shaft, the drive shaft having a PTO gear affixed thereto within the housing, an impeller shaft for turning an impeller of a pump, and means for selectively powering the impeller shaft from the drive shaft, the means for powering may include a multi-disk clutch. The transmission allows for powering the PTO gear while the impeller shaft is idle. A Commercially Available PTO device may be mounted to the housing to power a variety of devices.

Abstract: The present invention is directed to a pump casing and a centrifugal pump comprising a single piece casing, the casing comprising a first cut-water fluid flow path, a second cut-water fluid flow path, a first joint-water path, a second joint-water path, and an impeller cavity, the first cut-water fluid flow path and the second cut-water fluid flow path communicating with the first joint-water path and the second joint-water path, the pump further comprising an impeller positioned within the cavity, and a suction head overlaying the impeller. The first joint-water path communicates with a first discharge nozzle and the second joint-water path communicates with a second discharge nozzle, the first discharge nozzle and the second discharge nozzle situated substantially at opposing ends of the casing.

Abstract: A firefighting pump transmission for use with an emergency vehicle pump comprising a PTO gear affixed to a drive shaft of the transmission and an impeller clutch driving gear affixed to the drive shaft adjacent the PTO gear. The clutch driving gear may couple with a multi-disk clutch to turn an impeller shaft. The transmission allows for changing the gearing of the PTO without affecting the ratio or speeds of the impeller driving mechanism, and vice versa. The dual gears on the drive shaft accommodate compatibility with a Commercially Available PTO device to be mounted to the housing of the transmission to power a variety of devices.

Abstract: A firefighting pump transmission for use with an emergency vehicle pump comprising a housing receiving a drive shaft, the drive shaft having a PTO gear affixed thereto within the housing, an impeller shaft for turning an impeller of a pump, and means for selectively powering the impeller shaft from the drive shaft, the means for powering may include a multi-disk clutch. The transmission allows for powering the PTO gear while the impeller shaft is idle. A Commercially Available PTO device may be mounted to the housing to power a variety of devices.

Abstract: The present invention is directed to a pump casing and a centrifugal pump comprising a single piece casing, the casing comprising a first cut-water fluid flow path, a second cut-water fluid flow path, a first joint-water path, a second joint-water path, and an impeller cavity, the first cut-water fluid flow path and the second cut-water fluid flow path communicating with the first joint-water path and the second joint-water path, the pump further comprising an impeller positioned within the cavity, and a suction head overlaying the impeller. The first joint-water path communicates with a first discharge nozzle and the second joint-water path communicates with a second discharge nozzle, the first discharge nozzle and the second discharge nozzle situated substantially at opposing ends of the casing.

Abstract: A gearbox assembly comprising a casing defining a cavity for housing gears of an engine-driven apparatus, the casing having at least one substantially flat exterior surface for receiving a cooler plate, and a cooler plate mounted to the casing at the substantially flat exterior surface, the cooler plate isolated from the cavity by the flat exterior surface, the cooler plate having a channel for receiving a liquid for cooling the casing and at least one port in communication with the channel. At least one further embodiment includes a gearbox assembly where the channel is aligned with the exterior surface for supplying liquid in contact with the surface. The invention also includes a cooler plate for attachment at a closed exterior surface of a gearbox in order to supply cooling liquid in contact with the gearbox surface to cool the gearbox.