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US20090202370 |
HYDRAULIC SYSTEM
A hydraulic system that can implement effective practical use of energy is provided. A hydraulic system according to the present invention has a hydraulic pump driven by a hydraulic pump motor, a...
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US20090097994 |
Cranked Rod Pump Apparatus And Method
An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP)...
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US20080267796 |
Residual energy recovery in a drug delivery device
An implantable drug delivery device includes a pump motor that is driven by electrical energy from a storage capacitor. At the end of each pump delivery cycle, electrical energy stored in the pump...
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US20080226476 |
AIR PUMP WITH DUAL POWER SUPPLY
A portable air pump has a fan, a main body with a cavity, an air inlet and outlet, a motor connected to the fan, a removable rechargeable battery pack, and a plurality of individual dry cell...
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US20080152513 |
HYDRAULIC CIRCUIT ARRANGEMENT WITH RECOVERY OF ENERGY
The invention relates to a hydraulic circuit arrangement having a first pump which is driven by an electric motor and is assigned to a lifting cylinder, wherein, in order to recover energy, the...
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US20080095646 |
Electrically Driven Compressor Integral with Inverter Device, and Vehicle Air Conditioner Where the Compressor is Used
The electrically driven compressor integrally formed with an inverter device contains compression mechanism section ( 28 ); motor ( 31 ) as a power source of the compression mechanism section;...
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US20080045904 |
Operating an Infusion Pump System
Some embodiments of a medical infusion pump system include a pump device and a removable controller device. When the pump device and the removable controller device are removably attached to one...
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US20080031751 |
Sump pump control system
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US20080031752 |
Sump pump control system
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US20080003119 |
RECIPROCATING COMPRESSOR OR PUMP AND A PORTABLE TOOL POWERING SYSTEM INCLUDING A RECIPROCATING COMPRESSOR
A reciprocating compressor or pump features a manifold arranged not only to define a hollow interior for receiving fluid discharged from a plurality of cylinders but also to define a base or frame...
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