The jet of water in passing through the" 'ejector condenser' no doubt Joses ... this instrument all the power required to work an air-pump is saved. He estimates this saving at four per cent ...

Most sewage ejector pumps and some sump pumps have a floating ball attached to the pump by a separate electrical cord—if you see two cords coming out of the basin, you have a float switch.

The researchers described the proposed system as an ejector-enhanced solar-air composite dual-source heat pump (EDHP) that uses photovoltaic-thermal (PVT) collectors. The heat pump initially uses ...