Patents Assigned to Her Majesty the Queen in right of Canada, as represented by the Minister of Defence
  • Patent number: 9121340
    Abstract: A hydraulic power system for a utility vehicle having an engine with a crankshaft. The system features first and second rotationally-driven power generating devices, one of which is a hydraulic pump and the other of which is an alternator and one of which is a hydraulic pump. The first device has a first rotational input for operative coupling to the crankshaft for driven rotation thereby. A secondary shaft has an input end portion arranged for rotational coupling to a rotationally driven member of the first device and an output end portion arranged for rotational coupling to a second rotational input of the second device for driving thereof under driven operation of the first rotationally-driven power generating device by the crankshaft. Higher power output of increased reliability is provided over prior art add-on hydraulic solutions using electric-over-hydraulic power packs.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: September 1, 2015
    Assignee: Her Majesty the Queen in Right of Canada as Represented by the Minister of Defence
    Inventors: Blake Beckman, Blaine Fairbrother
  • Patent number: 8502975
    Abstract: A Multiple-Field-Of-View (MFOV) lidar is used to characterize the size and concentration of low concentration of bioaerosol particles. The concept relies on the measurement of the forward scattered light by using the background aerosols at various distances at the back of the sub-visible cloud. It also relies on the subtraction of the background aerosol forward scattering contribution and on the partial attenuation of the first order backscattering. We demonstrate theoretically and experimentally that the MFOV lidar can measure with a good precision the effective diameter of low concentration bioaerosol clouds.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: August 6, 2013
    Assignee: Her Majesty the Queen in Right of Canada as Represented by the Minister of Defence
    Inventors: Gilles Roy, Nathalie Roy
  • Patent number: 5536232
    Abstract: Inflating a fighter-pilot's anti-G suit to the correct pressure is facilitated by the pressure regulator design. Using Preview Control, the movement of the control stick is used to predict what the G-force on the aircraft will be in the time ahead. A computer determines what pressure is needed in the suit to safeguard the pilot at that G-force. The size of the air-flow aperture in the regulator is defined by overlapping windows in the housing and rotor of the regulator. The rotor is moved to give the correct overlap by means of a servo motor or stepper motor, which positions the rotor in response to the computer output. The very fast, stable, response of the regulator to the computer input enables the suit pressure to follow the G-forces predicted by Preview Control with great accuracy.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: July 16, 1996
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Defence
    Inventors: Philip S. E. Farrell, Andrew A. Goldenberg, Daniel Meidan
  • Patent number: 5522416
    Abstract: An air pressure regulator includes a cylindrical rotor with a hollow interior. The thin walls of the rotor have windows which overlap inlet and exhaust windows in the housing. The rotor is rotated progressively by a stepper motor in response to computer determination of required pressure. The system is used to inflate a pilot's anti-G suit.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: June 4, 1996
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Defence
    Inventors: Philip S. E. Farrell, Andrew A. Goldenberg, Daniel Meidan
  • Patent number: 5333147
    Abstract: A digital signal transmission channel degradation monitor for determining the error rate in a received data signal includes circuitry to generate an eye pattern signal for the received data signal which eye pattern signal is applied to a grid containing a number of cells defining regions in an ideal eye pattern. Each cell contains circuity to count the number of time an eye trace is located in that particular cell over a predetermined period of time. A number of cells within the ideal eye pattern area are grouped to define a predetermined pseudo error region. The number of times an eye trace enters into that error region over a predetermined time provides an indication of the generalized pseudo error rate for the transmission system. In addition, the number of times an eye trace is located in particular cells through the grid over a predetermined period of time can determine the type of stress that the transmission system is undergoing.
    Type: Grant
    Filed: August 25, 1992
    Date of Patent: July 26, 1994
    Assignee: Her Majesty the Queen in Right of Canada as represented by the Minister of Defence
    Inventors: Timothy J. Nohara, Al-Nasir Premji
  • Patent number: 4389922
    Abstract: A lubricating valve for a moveable piston, the valve supplying lubricant at low pressure and being reversible automatically in response to a reversal of the higher pressure which drives the piston.
    Type: Grant
    Filed: March 20, 1981
    Date of Patent: June 28, 1983
    Assignee: Her Majesty the Queen in right of Canada as represented by the Minister of Defence
    Inventors: Ronald Tatters, John E. Dolman, Donald R. Howell, deceased
  • Patent number: 4088056
    Abstract: Initiation of a cartridge in the chamber of a firearm is achieved by providing a port in the chamber through which high pressure gas from a firearm barrel strikes the primer of the cartridge and activates the primer. In one form, the gas driving a projectile through the barrel initiates a plurality of secondary cartridges.
    Type: Grant
    Filed: November 12, 1976
    Date of Patent: May 9, 1978
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of Defence
    Inventor: Jean G. Dallaire