Test-gas leak detector

Details Test-gas leak detector Test-gas leak detector

2007-07-10

2007-07-10

Larkin, Daniel S. (Department: 2856)

Measuring and testing

With fluid pressure

Leakage

C073S040000

Reexamination Certificate

active

10546666

ABSTRACT:
A test-gas leak detector (1) includes a connection (27) for a device under test, a sniffer, or a leak detector chamber, a high-vacuum pump (2), a test-gas detector (5) that is connected on the intake side of said pumps, and a test-gas conduit (28) leading from the connection of the leak detector (27). The conduit is connected to at least one intermediate stage of the high-vacuum pump (2) in addition to the pre-vacuum zone of the high-vacuum pump (2) via conduit sections (31, 32, 35) and valves (33, 34, 36). A housing (9), in which at least some of the conduits and valves and the high-vacuum pump (2) are integrated, forms part of the leak detector (1) and a detachable slide-in module (51) forms part of the high-vacuum pump. The slide-in module has an external jacket construction (53) comprising passages (58, 61) and when the leak detector (1) is operational, is situated in a receiving opening (52) that is provided in the housing (9).

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patent: WO 99/61799 (1999-12-01), None

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