Matches 1 - 10 out of 10
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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...
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)...
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...
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...
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...
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;...
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...
US20080031751 Sump pump control system  
US20080031752 Sump pump control system  
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...
Matches 1 - 10 out of 10