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Description: MC-348 CCW PEDESTAL WATER PUMP The MC-348, Centrifugal pump (750 GPM)features several innovations: The MC-348 is a 3" x 4" centrifugal pump with a shaft to adapt for direct drive line or hydraulic application Direct driving from PTO or HYD drive with a coupling adapter The pump is mounted
- Maximum Discharge Flow: 42000 GPH
Supplier: Atos North America
Description: Fixed displacement vane pumps specially designed for direct installation on PTO drives of mobile vehicles and derived from PFE standard versions but with: 4 holes, square mounting flange according to DIN ISO 6162-1 for direct connection to PTO; DIN 5462 reinforced splined shaft, specially
- Maximum Discharge Pressure: 3046 psi
- Maximum Discharge Flow: 253 to 1964 GPH
- Media Temperature: -4 to 176 F
- Types: Positive Displacement Pumps, Rotary Vane Pumps
Standards and Technical Documents - Road vehicles -- Commercial vehicles -- Couplings between power take-offs (PTO) and ancillary driven units -- ISO 7653:1985
Description: Establishes the dimensions of couplings mounted on commercial vehicles, such as hydraulic pumps, etc. Applies to ancillary equipment of commercial vehicles that require a hydraulic or mechanical power system and that take power of the main drive line of the vehicle. Defines two types of couplingsShow More
Supplier: Caterpillar Oil & Gas
Description: China Stage II, U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Engine Design - Proven reliability and durability - Robust diesel strength design prolongs life and lowers owning and operating costs - Broad operating speed range. - PTO drive options provide flexible access
- Fuel Type: Diesel
- Engine Type: Internal Combustion
- Application: Industrial
- Horse Power: 440 to 595 HP
Supplier: Caterpillar Oil & Gas
Description: drain extension, 2 in NPT female connection Simplex oil filter Mounting System 4.19 m (165 in) length, 412 mm (16.2 in) height tubes, 1.18 m (50.5 in) wide Viscous damper drive line coupler Power take-offs Accessory drive Lower LH front (available for PTO usage) Front housing, two-sided Protection
- Portability: Permanent
- Applications: Industrial
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Frequency and time domain modeling and power output for a heaving point absorber wave energy converter
Considering the offshore conditions and climate, a point absorbing WEC with a direct drive PTO system is the most efficient and beneficial in con- verting the low-speed oscillating motion of Gulf of Mexico (GoM) waves .
Frequency/time domain modeling of a direct drive point absorber wave energy converter
The present study is related to a point absorber WEC with direct drive PTO ; the PTO damping is modeled to be linear.
Power electronics as grid interface for actively controlled wave energy converters
This factor will be determining for the power take off (PTO) system and will directly affect the dimensioning of the generator and power electronic interface if a direct drive PTO is the chosen solution.
Large-scale ocean wave energy plant modeling
For example the modularity of these systems easily allows a developer to compare how their device performs with a direct drive PTO compared to its performance with a hydraulic PTO.
Development and characterization of a novel direct drive rotary wave energy point absorber MTS-IEEE oceans conference proceedings
A direct drive PTO is best described as a direct connection between the moving bodies of the WEC and the generator.
The efficiency is expected to be relatively high and in order to give an order of magnitude, the stated efficiency by the Danish Wave energy program for direct drive PTO systems is 0.85 .
The following table shows the default efficiency values for the hydraulic, water, air, mechanical and direct drive PTO systems (Nielsen, 2003): .
Power conditioning of the output from a linear vernier hybrid permanent magnet generator for use in direct drive wave energy converters
In a direct drive PTO system the wave energy device, such as a heaving buoy or Archimedes wave swing , is directly coupled to the translator of a linear electrical generator, which moves relative to stationary coils mounted on the moored stator.