Cleaning and liquid contact with solids – Apparatus – Automatic controls
Patent
1996-07-11
1998-05-05
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
Automatic controls
134108, 134111, 134902, B08B 304
Patent
active
057462330
ABSTRACT:
Obtained are a washing apparatus inhibiting a washing liquid from losing its washability and a method therefor. A circulating pump (5) circulates a washing liquid (3) successively through a heater (6), a filter (7), and an overflow washing tank (2). The washing liquid (3) is gradually evaporated. On the other hand, a water supplier (10) supplies the overflow washing tank (2) with water through a tube (8). An amine supplier (11) supplies the overflow washing tank (2) with amines through a tube (9). A control unit (12) controls the quantities of the water and amines as supplied. In a washing part (50), therefore, the quantities of the water and amines are inhibited from being reduced upon a lapse of time from operation starting, whereby the washing liquid (3) is inhibited from losing its washability.
REFERENCES:
patent: 3074277 (1963-01-01), Hill
patent: 3427198 (1969-02-01), Hill
patent: 3880685 (1975-04-01), Rehm et al.
patent: 3964956 (1976-06-01), Snyder
patent: 5361789 (1994-11-01), Yoshida et al.
Kanno Itaru
Kuroda Takeshi
Coe Philip R.
Mitsubishi Denki & Kabushiki Kaisha
Ryoden Semiconductor System Engineering Corporation
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