Anti-clog and non-metallic debris detector for lubrication system inlet
First Claim
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1. A contaminant detection system for use in a fluid distribution system, the contaminant detection system comprising:
- a first detector assembly including an inlet housing and detector screen through which fluid in the fluid distribution system passes and a first sensor to detect a first type of contaminant caught in the detector screen; and
a second detector assembly including a second sensor which activates when one of the inlet housing and the detector screen is clogged to detect whether the fluid contains a second type of contaminant that is distinct from the first type of contaminant when the first sensor does not detect the first type of contaminant.
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Abstract
A contaminant detection system for use in a fluid distribution system includes a first detector assembly including an inlet housing and detector screen through which fluid in the fluid distribution system passes and a first sensor to detect a first type of contaminant caught in the detector screen; and a second detector assembly including a second sensor which activates when the inlet housing or detector screen is clogged to detect whether the fluid contains a second type of contaminant when the first sensor does not detect the first type of contaminant.
31 Citations
17 Claims
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1. A contaminant detection system for use in a fluid distribution system, the contaminant detection system comprising:
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a first detector assembly including an inlet housing and detector screen through which fluid in the fluid distribution system passes and a first sensor to detect a first type of contaminant caught in the detector screen; and a second detector assembly including a second sensor which activates when one of the inlet housing and the detector screen is clogged to detect whether the fluid contains a second type of contaminant that is distinct from the first type of contaminant when the first sensor does not detect the first type of contaminant. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A fluid distribution assembly for distributing a fluid, the assembly comprising:
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a first inlet housing; an outlet housing; a chip detector assembly including a chip detector screen through which the fluid passes between the first inlet and outlet housings, and a chip detector sensor which senses a first type of contaminant on the chip detector screen; a second inlet housing fluidly coupled to the outlet housing; a check valve in the second inlet housing which opens when the first inlet housing or chip detector screen is clogged to allow the fluid to pass between the second inlet housing and the outlet housing, and is closed when the first inlet housing or chip detector screen is not clogged to prevent the fluid to from passing between the second inlet housing and the outlet housing; and a check valve sensor in communication with the check valve, the check valve sensor producing a signal indicative of when the check valve opens. - View Dependent Claims (8, 9, 10, 11)
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12. A rotary wing aircraft comprising:
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a rotor; a gearbox coupled to the rotor; an engine coupled to the gearbox; a lubricant distribution system providing lubricant from a sump to the gearbox, the lubricant distribution system including; a first detector assembly including an inlet housing and a detector screen through which fluid in the fluid distribution system passes and a first sensor to detect a first type of contaminant caught in the detector screen; a second detector assembly including a second sensor which activates when one of the inlet housing and the detector screen is clogged to detect whether the fluid contains a second type of contaminant that is distinct from the first type contaminant when the first sensor does not detect the first type of contaminant. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification