Leak detector comprising an inlet

Details Leak detector comprising an inlet Leak detector comprising an inlet

2004-01-13

2009-10-13

Freay, Charles G (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C073S040000, C073S040700

Reexamination Certificate

active

07600989

ABSTRACT:
A leak detector includes an inlet, a high-vacuum pump, and a test gas detector, which is connected to the entry of the high-vacuum pump. A backing pump is connected to an outlet area of the high-vacuum pump, and a test gas line extends between the inlet of the leak detector and the backing pump, the test gas line being connected to the outlet area of the high-vacuum pump via a line section. In order to shorten the response time of the leak detector, the line and the backing pump are connected via separate connections to the outlet area of the high-vacuum pump.

REFERENCES:
patent: 4472962 (1984-09-01), Mennenga
patent: 5561240 (1996-10-01), Ochiai et al.
patent: 5585548 (1996-12-01), Grosse Bley et al.
patent: 5707213 (1998-01-01), Conrad
patent: 5708194 (1998-01-01), Bohm et al.
patent: 7082813 (2006-08-01), Grosse-Bley et al.
patent: 31 24 205 (1982-12-01), None
patent: 42 28 313 (1994-03-01), None

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