Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Reexamination Certificate
2009-05-27
2011-11-01
Lam, Thanh (Department: 2834)
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
C123S564000
Reexamination Certificate
active
08046997
ABSTRACT:
A screw compressor type supercharger includes an improved supercharger bypass valve including a spring biasing the bypass valve towards an open position. The spring may be a compression spring integrated into a bypass valve diaphragm, an extension spring extending parallel to a diaphragm arm, or a torsion spring on a bypass valve butterfly shaft. The spring is selected and installed to hold the bypass valve open at all vacuum levels and at up to one PSI of boost, and then to allow the bypass to close between one PSI and six PSI boost, and to be closed at above six PSI boost. The resulting control of the bypass valve prevents damage to the supercharger.
REFERENCES:
patent: 2311936 (1943-02-01), Elfes et al.
patent: 2559859 (1951-07-01), Elliott et al.
patent: 4656992 (1987-04-01), Oonaka et al.
patent: 4727847 (1988-03-01), Takeda et al.
patent: 4766873 (1988-08-01), Miyagi et al.
patent: 4800863 (1989-01-01), Miyagi et al.
patent: 4802456 (1989-02-01), Okane et al.
patent: 2006/0016437 (2006-01-01), Ozawa
patent: 2009/0260603 (2009-10-01), Bucknell
Bell James E.
Bell Jodi L.
Green Kenneth L.
Lam Thanh
LandOfFree
External spring supercharger bypass valve does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with External spring supercharger bypass valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and External spring supercharger bypass valve will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4292486