U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Compressor by-pass and valving for a turbocharger

Patent 5724813 Issued on March 10, 1998. Estimated Expiration Date: Icon_subject January 26, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3676999

Improvement in methods of supercharging an engine, preferably a diesel engine in such supercharged engines, and in supercharging units for such engines
Patent #: 3988894
Issued on: 11/02/1976
Inventor: Melchior

Supercharged internal combustion engines
Patent #: 4077219
Issued on: 03/07/1978
Inventor: Melchior ,   et al.

Supercharged internal combustion engines
Patent #: 4089173
Issued on: 05/16/1978
Inventor: Melchior, et al.

Supercharged internal combustion engine and method of operation thereof
Patent #: 4215550
Issued on: 08/05/1980
Inventor: Dinger ,   et al.

Methods of supercharging a diesel engine, in supercharged diesel engines, and in supercharging units for diesel engines
Patent #: 4233815
Issued on: 11/18/1980
Inventor: Melchior

Turbocharged internal combustion engine
Patent #: 4287717
Issued on: 09/08/1981
Inventor: Oldfield ,   et al.

Bypass control apparatus for turbocharged internal-combustion engines
Patent #: 4328672
Issued on: 05/11/1982
Inventor: Zumstein

Internal combustion engine having a turbo-supercharger with an automatic bypass
Patent #: 4373336
Issued on: 02/15/1983
Inventor: Horler ,   et al.

Bypass control apparatus for turbocharged internal-combustion engines
Patent #: 4378677
Issued on: 04/05/1983
Inventor: Zumstein

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Inventors

Assignee

Application

No. 592818 filed on 01/26/1996

US Classes:

60/606, With means to provide additional motive fluid for motor60/611Having condition responsive means to control supercharged flow to engine

Examiners

Primary: Koczo, Michael

Attorney, Agent or Firm

Foreign Patent References

  • 3539578 DE 06/24/1986

International Class

F02B 037/00

Abstract

A bypass system for a diesel engine having a turbocharger, a bypass conduit, a valve and a controller which cooperate to bypass a portion of the combustion air compressed by the turbocharger bypassed to a turbine portion of the turbocharger or to the atmosphere, a controller containing maps based on empirical fixed point data specific to the engine, turbocharger and bypass system responds to signals indicative of changes in atmospheric pressure, inlet manifold pressure and engine speed to control the valve and prevent the turbocharger from surging.

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