| 摘要 |
<p>Refrigeration circuit with motor compressor, comprising a vertical composite suction manifold (6) fulfilling the function, in addition to its true function of suction manifold, of an anti-knock bottle and of an atomiser/pump effecting without damage to the motor compressor (2) the return to the latter of the lubricant and of the liquid refrigerant trapped in the circuit, and an evaporator (5) divided into a number of vertically spaced sections which are mounted in parallel between this manifold (6) and the pressure-reducing valve. This vertical composite suction manifold (6) consists of an elongate body (9) provided in its enclosed space with a capillary tube (11), the lower end of which is submerged in the mass of trapped liquid refrigerant and lubricant, and the upper end of which forms with the narrowed part (10) of the elongate body (9) a Venturi tube which, during the passage of the gaseous refrigerant called by the motor compressor (2), sucks and atomises the trapped lubricant and liquid refrigerant. Application to a heat pump in which the condenser forms, with an independent circuit of heat-exchanging fluid, a heat exchanger. <IMAGE></p> |
