Absorption cold/hot water generating machine

Details Absorption cold/hot water generating machine Absorption cold/hot water generating machine

1998-08-10

2000-04-11

Bennett, Henry

Refrigeration

Refrigeration producer

Sorbent type

623242, 62141, 62148, F25B 1500

Patent

active

060475595

ABSTRACT:
An absorption cold/hot water generating machine comprising a refrigerating cycle formed by pipe-connecting an evaporator, an absorber, a solution heat exchanger, a low-temperature generator, a condenser, a high-temperature generator, a solution pump, and a refrigerant pump; the solution pump being an inverter-driven pump; a header for receiving a return solution from the high-temperature generator; a level sensor for detecting the liquid level in the header; and control means for controlling the flow rate of the solution sent from the absorber to the high-temperature generator by controlling the operating frequency of the solution pump, thereby keeping the solution level in the header within a prescribed range; wherein the control means includes sampling mode setting means for setting a solution sampling mode in which the discharge side pressure of the solution pump is brought to over a prescribed pressure through control of the operating frequency thereof.

REFERENCES:
patent: 4493192 (1985-01-01), Hibino et al.
patent: 4534180 (1985-08-01), Yasuda et al.
patent: 5447042 (1995-09-01), Ohuchi et al.
patent: 5477696 (1995-12-01), Takahata et al.
patent: 5592825 (1997-01-01), Inoue
patent: 5617733 (1997-04-01), Tomita et al.
patent: 5682755 (1997-11-01), Uchida et al.
patent: 5752388 (1998-05-01), Hoshino et al.
patent: 5829260 (1998-11-01), Kojima et al.

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